4K 教室里的青少年女孩：一名穿着粉色毛衣的金发女孩正在说话，一名棕发女孩正在笔记本电脑上做笔记 影视素材 教室里的青少年女孩：一名穿着粉色毛衣的金发女孩正在说话，一名棕发女孩正在笔记本电脑上做笔记 影视素材
4K 各种各样的青春期女孩走在门廊上，看向中心，戴着发带，正在唱歌，手抚胸口，左边有人拿着平板电脑 股票视频 各种各样的青春期女孩走在门廊上，看向中心，戴着发带，正在唱歌，手抚胸口，左边有人拿着平板电脑 股票视频
4K 学校里各族裔的少女们在欢笑，左侧穿着薰衣草色针织衫对笔记本电脑做出反应，右侧拿着平板电脑 股票视频 学校里各族裔的少女们在欢笑，左侧穿着薰衣草色针织衫对笔记本电脑做出反应，右侧拿着平板电脑 股票视频
4K 多元化的青少年女孩们正在开始课堂项目，位于中心，向左做手势，向右书写，并使用笔记本电脑倾听 影视素材 多元化的青少年女孩们正在开始课堂项目，位于中心，向左做手势，向右书写，并使用笔记本电脑倾听 影视素材
4K Teacher with teen girls in class asking pointing up girls raising hands to answer on laptops teacher with teen girls in class 股票视频 Teacher with teen girls in class asking pointing up girls raising hands to answer on laptops teacher with teen girls in class 股票视频
4K African american teen girls in mint shirts rehearsing routine after left cue on brick bench african american teen girls in mint 股票视频 African american teen girls in mint shirts rehearsing routine after left cue on brick bench african american teen girls in mint 股票视频
4K Three teen girls after left girl starting dribble passing soccer ball on school field practicing three teen girls after left girl 影视素材 Three teen girls after left girl starting dribble passing soccer ball on school field practicing three teen girls after left girl 影视素材
4K Two teen girls sitting desks camera pull causing front girl in pink jacket turning head speaking two teen girls sitting desks 股票视频 Two teen girls sitting desks camera pull causing front girl in pink jacket turning head speaking two teen girls sitting desks 股票视频
4K African american teacher guiding teen girls pointing pipetting liquid into test tubes at lab bench science laboratory classroom 影视素材 African american teacher guiding teen girls pointing pipetting liquid into test tubes at lab bench science laboratory classroom 影视素材
4K African american teen girls turning toward teacher after prompt in classroom smiling with notebook students daylight windows desks 影视素材 African american teen girls turning toward teacher after prompt in classroom smiling with notebook students daylight windows desks 影视素材
4K Diverse teen girls in school drill left player dribbling passing soccer ball third juggling by goal diverse teen girls in school 股票视频 Diverse teen girls in school drill left player dribbling passing soccer ball third juggling by goal diverse teen girls in school 股票视频
4K Diverse teen girls entering left at lockers leader opening blue locker pulling red binder for class hallway students friendship 影视素材 Diverse teen girls entering left at lockers leader opening blue locker pulling red binder for class hallway students friendship 影视素材
4K Happy caucasian teen girls writing exam talking at desk inside classroom smiling friendly schoolgirls students looking happy 影视素材 Happy caucasian teen girls writing exam talking at desk inside classroom smiling friendly schoolgirls students looking happy 影视素材
4K Angry caucasian teen girls arguing conflict at desk indoors classroom quarrel discussion schoolgirls students classmates teenagers 股票录像 Angry caucasian teen girls arguing conflict at desk indoors classroom quarrel discussion schoolgirls students classmates teenagers 股票录像
4K Upset caucasian teen girls showing thumbs down exam inside class frustration schoolgirls dissatisfied students upset caucasian 股票录像 Upset caucasian teen girls showing thumbs down exam inside class frustration schoolgirls dissatisfied students upset caucasian 股票录像
4K Smiling caucasian teen girls writing subject distant education laptop studying desk library learn academic lesson smiling 股票视频 Smiling caucasian teen girls writing subject distant education laptop studying desk library learn academic lesson smiling 股票视频
4K Happy joyful caucasian teen girls talking discussing book with classmate lesson in classroom school education learning happy 股票视频 Happy joyful caucasian teen girls talking discussing book with classmate lesson in classroom school education learning happy 股票视频
4K Happy caucasian teen girls showing thumbs up studying in classroom approval gesture schoolgirls students looking camera smiling 股票录像 Happy caucasian teen girls showing thumbs up studying in classroom approval gesture schoolgirls students looking camera smiling 股票录像
4K Crying caucasian girl child sad after bullying friend comforting apologizing in classroom conflict resolution teen girls crying 股票录像 Crying caucasian girl child sad after bullying friend comforting apologizing in classroom conflict resolution teen girls crying 股票录像
登录 
