研究的高清免费图片

‘研究’相关的图片

adult,looking,learning,indoors,smiling,happiness,education,cheerful,lifestyle,men,portrait,occupation,women,friendship,joy,confidence,student,standing,looking at camera,working,teamwork,studying,teenager,casual clothing,focus on foreground,apron,young women,caucasian ethnicity,fe,waitress,男人,成人,看,学习,在室内,女人,微笑,幸福,教育,令人愉快的,生活方式,肖像,职业,友谊,快乐,信心,学生,站立,青少年,看着相机,工作,团队合作,研究,休闲服装,聚焦前景,围裙,年轻女性,白种人种族,fe,女服务员

宽高 3430x1960

2497

no people,photography,horizontal,color,development,travel destinations,awe,technology,night,copy space,dramatic sky,astronomy,outer space,island,atmosphere,futuristic,usa,horizon,milky way,telescope,astrology,constellation,shiny,science,research,biology,galaxy,italy,nebula,没有人,摄影术,水平的,颜色,发展,旅游目的地,敬畏,技术,夜,复制空间,戏剧性的天空,天文学,外层空间,岛,气氛,研究,未来主义,美国,地平线,银河系,望远镜,占星术,星座,闪亮的,科学,生物学,意大利,星云

宽高 3430x1960

1800

horizontal,people,child,learning,girl,happy,indoors,woman,childhood,education,school,teaching,concept,friendship,celebration,holiday,laughing,student,females,book,studying,illustration,day,teacher,knowledge,text,pencil,class,learn,chalkboard,人,水平的,小孩,学习,女孩,幸福的,在室内,女人,童年,教育,学校,教学,概念,友谊,庆祝活动,假日,笑,学生,女性,书,研究,插图,白天,老师,知识,文本,铅笔,班,黑板

宽高 3570x1960

3556

宽高 3497x1960

3639

man,technology,internet,electronic,device,business,digital,screen,modern,professional,businessman,data,information,concentration,corporate,office,working,strategy,executive,connection,tablet,research,analyzing,study,attire,suit,formal,focused,browsing,white collar,男人,技术,学习,互联网,电子的,装置,商业,数字的,屏幕,现代的,专业的,商人,数据,信息,分析,浓度,公司,适合,办公室,工作,策略,总经理,研究,服装,连接,药片，平板,正式的,专注,浏览,白领

宽高 3497x1960

9642

equipment,analysis,technician,pouring,precision,liquid,setting,scientist,science,laboratory,research,chemistry,experiment,chemist,scientific,lab,study,observation,glassware,carefully,investigation,flask,beakers,test tubes,experimentation,scientific method,observing,laboratory equipment,discovering,发现,学习,设备,分析,倾倒,研究,技术员,精度,设置,液体,科学家,科学,实验室,化学,实验,化学家,科学的,观察,瓶,玻璃器皿,小心,调查,烧杯,试管,科学方法,实验室设备

宽高 3497x1960

5773

medicine,health,human,closeup,illness,body,detail,dangerous,science,laboratory,research,biology,medical,microbiology,study,virus,infection,cells,disease,coronavirus,microscopic,particles,pathogen,epidemic,pandemic,viral,infectious,sick,covid,respiratory,学习,细胞,医学,健康,人类,特写,研究,疾病,身体,细节,危险的,科学,实验室,生物学,医学的,微生物学,病毒,感染,生病的,病,冠状病毒,微观的,粒子,病菌,流行病,大流行,病毒的,传染性,新冠肺炎,呼吸系统

宽高 3121x1960

5446

growth,medicine,health,analysis,dish,plate,culture,scientist,science,laboratory,research,biology,experiment,scientific,test,medical,lab,microbiology,agar plate,bacteriology,bacterium,colony,agar,disease,petri,culture medium,microbial,identification,bacterial,petri dish,生长,医学,健康,分析,研究,文化,盘,盘子,科学家,科学,实验室,生物学,实验,科学的,测试,医学的,微生物学,琼脂平板,细菌学,细菌,殖民地,琼脂,病,培养皿,培养基,微生物,识别

宽高 2940x1960

699

宽高 2940x1960

3637

plant,learning,indoors,education,modern,student,office,wall,book,reading,literature,studying,table,home interior,inside,decoration,library,bookshelf,wood,desk,vase,collection,decor,chair,science,still life,shelf,old fashioned,domestic room,home office,植物,学习,在室内,教育,现代的,学生,办公室,墙,书,阅读,文学,研究,桌子,家居内饰,里面,装饰,收集,图书馆,书架,木材,书桌,花瓶,椅子,科学,静物画,架子,老式的,家庭房,家庭办公室

宽高 3430x1960

3832

learning,indoors,childhood,education,teaching,modern,student,sitting,studying,table,inside,empty,wood,desk,board,green color,classroom,teacher,chair,industry,row,orange color,seat,back to school,high school,cafeteria,domestic room,elementary school,school building,lecture hall,绿色,橙色,学习,在室内,童年,教育,教学,现代的,学生,坐,研究,桌子,里面,空的,木材,书桌,板,教室,老师,椅子,行业,行,座位,回到学校,高中,自助餐厅,家庭房,小学,学校建筑,演讲厅

宽高 3430x1960

891

adult,looking,learning,cute,indoors,smiling,happiness,education,cheerful,lifestyle,beauty,portrait,one,women,confidence,student,standing,looking at camera,book,literature,studying,eyeglasses,library,bookshelf,casual clothing,young women,shelf,caucasian ethnicity,fe,brown hair,成人,看,学习,可爱的,在室内,女人,微笑,幸福,教育,令人愉快的,生活方式,美丽,肖像,一,信心,学生,站立,看着相机,书,文学,研究,眼镜,图书馆,书架,休闲服装,年轻女性,架子,白种人种族,fe,棕色头发

宽高 3430x1960

4368

adult,looking,learning,cute,indoors,smiling,happiness,education,cheerful,lifestyle,beauty,portrait,one,women,student,looking at camera,book,reading,literature,studying,library,stack,young women,wisdom,caucasian ethnicity,toothy smile,fe,long hair,brown hair,textbook,成人,看,学习,可爱的,在室内,女人,微笑,幸福,教育,令人愉快的,生活方式,美丽,肖像,一,学生,看着相机,书,阅读,文学,研究,图书馆,堆栈,年轻女性,智慧,白种人种族,露齿的微笑,fe,长发,棕色头发,教材

宽高 3430x1960

7211

learning,woman,education,female,portrait,concentration,youth,student,beautiful,inspiration,reading,literature,studying,library,peaceful,serene,knowledge,research,academic,bookworm,intellectual,college,focused,curious,thoughtful,contemplative,wisdom,books,bookshelves,scholar,学习,女人,教育,女性的,肖像,浓度,青年,学生,美丽的,灵感,沉思,书,阅读,文学,研究,图书馆,书架,和平的,宁静的,知识,学术的,书虫,智力的,学院,专注,好奇的,周到的,智慧,学者

宽高 3497x1960

8952

person,adult,young,learning,girl,happy,woman,education,female,lifestyle,portrait,student,indoor,book,reading,literature,studying,university,library,bookshelf,bookstore,buying,store,searching,shop,choosing,asian,shelf,bookshop,department,人,成人,年轻的,学习,女孩,幸福的,女人,教育,女性的,生活方式,肖像,学生,室内的,书,阅读,文学,研究,大学,图书馆,书架,书店,购买,商店,搜索,选择,亚洲的,架子,部门

宽高 2771x1960

3698

learning,indoors,woman,caucasian,education,one person,smile,book,reading,studying,ai,vintage,mature,library,retirement,grandfather,age,pensioner,senior,product,elderly,aged,retired,older,study,grandmother,generated,society,grandma,short,学习,在室内,女人,微笑,白种人,教育,一个人,书,阅读,研究,人工智能,老年人,酿造的,成熟,图书馆,退休,祖父,年龄,养老金领取者,高级的,产品,退休了,祖母,生成,社会,奶奶,短的

宽高 3497x1960

3867

宽高 3497x1960

8078

young,horizontal,child,learning,girl,cute,woman,kid,education,female,hand,lifestyle,portrait,student,indoor,sitting,note,book,studying,table,teenager,desk,notebook,study,pencil,homework,writing,pen,back to school,idea,年轻的,水平的,小孩,学习,女孩,可爱的,女人,教育,女性的,手,生活方式,肖像,学生,室内的,青少年,坐,笔记,书,研究,桌子,书桌,笔记本,铅笔,作业,写作,笔,回到学校,主意

宽高 2940x1960

4107

discovery,people,technology,woman,female,medicine,equipment,professional,analysis,student,scientist,science,laboratory,research,biology,chemistry,chemical,experiment,biotechnology,chemist,scientific,doctor,microscope,test,medical,lab,analyzing,tube,biochemistry,microbiology,人,发现,技术,女人,女性的,医学,设备,专业的,分析,学生,研究,科学家,科学,实验室,生物学,化学,化学的,实验,生物技术,化学家,科学的,医生,显微镜,测试,医学的,管,生物化学,微生物学

宽高 2975x1960

4260

young,growth,relaxation,learning,education,home,joy,concentration,indoor,enjoy,curiosity,contemplation,atmosphere,imagination,children,book,reading,boy,literature,cognition,cosy,quiet,room,story,studying,evening,festive,floor,help,年轻的,生长,放松,学习,教育,家,快乐,浓度,室内的,享受,好奇心,舒适的,沉思,气氛,想象,儿童,书,阅读,男孩,文学,认知,安静的,房间,故事,研究,傍晚,喜庆,地板,帮助

宽高 3430x1960

3180