back view of mature professor giving lecture to large group of college students in the classroom.

穿深灰色衣服带圆形眼镜的小胡子教授

young university professor explaining a web development project to a group of students in a dark auditorium. female teacher showing a back-end programmers code on a big projector screen

mature professor standing with arms crossed in a library and looking at camera. 

教授手写汉字书法字体字形中国风

happy african american professor receives applause from her students while lecturing them in the classroom.

student hand, question and woman professor in a classroom with lecture and studying for college. university class, learning and students with education and teacher on campus with a school group

portrait of mature teacher looking at camera with copy space. happy mid adult lecturer at classroom standing after giving lecture. satisfied high school teacher smiling while his students studying.

young happy business woman sitting at work desk with laptop. smiling school professional online teacher coach advertising virtual distance students classes teaching remote education webinars. portrait

教师在学校课堂上教导孩子历史插图

education clipboard, students and portrait of teacher happy on college campus for coaching, teaching and learning. knowledge study, high school principal or university professor with daily checklist

smiling teacher using laptop during computer class at high school and looking at camera. her students are learning in the background. 

portrait of happy mature professor teaching mathematics to students in a library. senior smiling woman solving math problem while writing on white board. portrait of tutor looking at camera.

手拿教鞭的长发戴眼镜的女老师

full length portrait of a man with glasses holding books and smiling isolated on white background

portrait of mature professor standing in university library and looking at camera with copy space. happy senior woman at the library working as a librarian. satisfied college teacher smiling.

set of 30 outline icons related to higher education, university. linear icon collection. editable stroke. vector illustration

teacher icon set. containing lesson, class, school, teaching, mentor, professor, education, books, instruct, knowledge and pedagogy. vector solid symbol collection.

professor pointing at college student with hand raised in classroom. student raising a hand with a question for the teacher. lecturer teaching in class while girl have a question to do during a lesson

asian senior male calculus professor is writing on blackboard in the classroom at college

teacher giving computer science lecture to diverse multiethnic group of female and male students in a college room. projecting slideshow with programming code. explaining information technology

卡通手绘医疗男子体检问诊蓝色海报闪屏插画

happy coach standing with her arms crossed at school gym and looking at camera. the students are int he background.

教师节送花给老师 扁平人物插画

portrait of senior professor explaining  math formulas. mature female teacher standing in classroom and talking to her class. lecturer explaining math formulas written on whiteboard in library.

african american professor and her students using laptop during lecture in the classroom.

亚洲美丽的女人在黑板前拿着平板电脑

professor assisting college student with laptop in classroom during computer lesson. teacher talking and explaining to guy. mature man lecturer helping high school teen with laptop during lecture.

卡通手绘医护人员研究病毒疫苗插画

mature professor talking to his student while assisting her on a class at the university. 

classroom, teacher and science question at school university or college with dna model in education, learning and teaching. physics professor with students happy for development or knowledge trust

happy mature professor holding digital tablet while teaching students at university library and looking at camera.

teacher talks to students and use chalkboard during university lecture in classroom. smart caucasian man draws formulas and schemes on seminar. genius solves problems concept.

早起在床上培养女儿阅读兴趣的母亲

university professor talking to group of students during class in lecture hall.

医学和医学概念。医院年轻女医患指导药品计

senior academic professor giving a lecture and pointing at the empty blackboard using a stick: knowledge and traditional education concept

有好主意，看着相机被隔绝在黑板粉笔背景年轻漂亮的女小孩的老师教学。

beautiful happy middle aged brunette woman in casual wear, holding eyeglasses and smiling, looking at camera, isolated on beige background, reading a book. the concept of erudite educated people

teacher teaching, holding book, showing smth with pointer. school educator with textbook, explaining, presenting with stick during lecture. flat vector illustration isolated on white background

亚洲美丽的女人的姿态站在前面的黑板

back view of grey-haired woman teacher stading at classroom and talking to high school students.

可爱博士小鸡卡通矢量插画手拿书本认真学习认真读书中黄金知识

portrait of red hair female professor. she lecture about  new technologies and software development.

年轻貌美的小女老师拿着棍子站在黑板前，当她的学生犯错误怒发冲冠。

portrait of happy mature professor during lecture in the classroom looking at camera. 

a portrait of university professor standing  in the campus library, smiling and looking at the camera with copy-space.

庆祝教师节 老师辛苦了 扁平人物插画

young student watching lesson online and studying from home. young woman taking notes while looking at computer screen following professor doing math on video call. girl studying from home on pc.

一个美女女老师站在黑板前正在进行讲课授课教育概念

happy professor in lecture hall at the university looking at camera. his students are int he background.

happy asian student communicating with her professor in front of university building.

world teachers day. international teachers day. group of teachers. elderly grumpy and serious teachers. young happy  instructors mentors educators educationist line art vector graphic art template

beautiful multiethnic african female student studying in university with diverse classmates. young black woman using a laptop computer. applying her knowledge to acquire academic skills in class

smiling grey hair professor sitting in empty lecture room

teenager students listening and talking to friendly young male teacher - group discussion in high school education

young man reading a interesting book with magnifying glass. hand drawn style vector design illustrations. flat vector illustration isolated on white background

female professor helping students at the informatics lecture in the university computer classroom

friends working discussion meeting sharing ideas concept

young friendly teacher listening and talking with teenager students - group discussion in high school

collage artwork graphics picture of confident cool guy showing news start up presentation isolated painting background

professional indian teacher, executive or mentor helping latin student, new employee, teaching intern, explaining online job using laptop computer, talking, having teamwork discussion in office.

close up of teacher hand with marker while teaching lessons in school  classroom to students

female professor standing next to interactive whiteboard and teaching diverse students innovations in robotics. computer science and modern technologies in higher education concept.

happy teacher during a class at elementary school looking at camera. her student are learning in the background.

teachers concept. academics, school education world. tiny professors of college. mathematics geography chemistry teacher vector illustration

female students communicating with their teacher while using computer during lecture in the classroom. 

team of diverse partners mature latin business man and european business woman discussing project on tablet sitting at table in office. two colleagues of professional business people working together.

portrait of happy male professor during a class at high school looking at camera.

	
female teacher in classroom. learning, advanced tranining or teaching methodology concept. school teacher stand at blackboards in classroom. lecturer teaching in class. professors at chalkboards. 

male professor showing at the big screen during the lesson. diverse group of students working together on modification of functions of technology robot arm for engineering project at university

happy african american female professor holding online class from university library and looking at camera. 

male student at the lecture asking professor for some explanations about the lesson

female professor giving lecture to group of teenagers during a class in high school.

senior chemistry professor writing on the board while having a chalk and blackboard lecture (shallow dof; color toned image)

smiling young indian business man professional manager wearing suit looking at camera standing arms crossed in office. arab teacher or professor posing for portrait at work desk in front of

knowledgeable teacher giving a lecture about software engineering to a group of smart diverse university students. international undergraduates sitting behind desks with computers

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