Spider webs have existed for at least 100 million years, as witnessed in a rare find of Early Cretaceous amber from Sussex, 在英格兰南部. 许多蜘蛛专门织网来诱捕猎物...
不喜欢带有火焰粒子的图标,Alpha通道. 3D RenderMotion图形视频- 1920x1080, MOV, 阿尔法通道, Apple ProRes 4444You can use this video from top motion graphic designers and...
像图标与火粒子,Alpha通道. 3D RenderMotion图形视频- 1920x1080, MOV, 阿尔法通道, Apple ProRes 4444You can use this video from top motion graphic designers and editors...
邮件图标与火粒子,Alpha通道. 3D RenderMotion图形视频- 1920x1080, MOV, 阿尔法通道, Apple ProRes 4444You can use this video from top motion graphic designers and editors...
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It is a stock video footage mp4 template with HD (1080) resolution in education category. HANOI, VIETNAM - OCTOBER 27, 2015: Children at outdoor lesson of physical education. 学生穿...
It is a stock video footage mp4 template with HD (1080) resolution in education category. 小学生在家做数学作业. 他试图集中注意力,仔细考虑这些数字
It is a stock video footage mp4 template with HD (1080) resolution in education category. 学习英语语音. 发音.
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优雅的吸气在4K动画中展开, inviting a serene journey into the beauty of life's breath.
Sweetness is a basic taste most commonly perceived when eating foods rich in sugars. 甜味通常被认为是令人愉快的. In addition to sugars like sucrose, many other chemical...
It is a stock video footage mp4 template with HD (1080) resolution in education category. 学习英语语音. 我们的发音.
It is a stock video footage mp4 template with HD (1080) resolution in education category. THESSALONIKI, 希腊- 8月22日, 2014: Children and schoolmaster doing puzzle in game room or nursery....
A student getting a loan and shaking hands with a banker 4K animation. University study loan 4K footage with male flat characters and college building. 学生贷款纸动画带了一个少年...
It is a stock video footage mp4 template with HD (1080) resolution in education category. 学习英语语音. 我们的发音.
A bottle cap or bottle top is a closure for the top opening of a bottle. A cap is sometimes colorfully decorated with the logo of the brand of contents. 塑料瓶盖用于塑料瓶,...
It is a stock video footage mp4 template with HD (1080) resolution in education category. 男生很高兴自己考了个好成绩,于是说:是的!
It is a stock video footage mp4 template with HD (1080) resolution in education category. Left-handed 12 year old schoolboy makes the exercises and hands it to the teacher for review.
It is a stock video footage mp4 template with HD (1080) resolution in education category. HELSINKI, 芬兰- 07年1月, 2017: Woman providing an experiment with conoid when visiting Heureka...
It is a stock video footage mp4 template with HD (1080) resolution in education category. Little girl sitting at the table in the nursery and playing with plasticine. 其他孩子坐在旁边...
It is a stock video footage mp4 template with HD (1080) resolution in education category. Little boy standing with his back to the camera drawing on a chalkboard at kindergarten during class as he...
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It is a stock video footage mp4 template with HD (1080) resolution in education category. 学习英语语音. 发音.
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It is a stock video footage mp4 template with HD (1080) resolution in education category. 两岁的小男孩在玩键盘.
It is a stock video footage mp4 template with HD (1080) resolution in education category. Group of three children doing puzzle together with schoolmaster in nursery. 学习活动
It is a stock video footage mp4 template with HD (1080) resolution in education category. Boy finished his Maths homework and taking the papers with sums to give them for check
蜡烛是嵌在蜡中的可点燃的灯芯, 或其他可燃固体物质,如牛油, 它提供了光, 在某些情况下, a fragrance. 蜡烛也可以提供热量或方法...
When spiders moved from the water to the land in the Early Devonian period, they started making silk to protect their bodies and their eggs. 蜘蛛逐渐开始用丝来捕猎...
It is a stock video footage mp4 template with HD (1080) resolution in education category. Children playing in an outdoor playground clambering over the brightly coloured equipment in the sunshine...
It is a stock video footage mp4 template with HD (1080) resolution in education category. Dolly shot of young boy concentrating on reading a book with just his eyes visible over the top as he...
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It is a stock video footage mp4 template with HD (1080) resolution in education category. 男孩在做英语作业. Primary student doing exercise and making word list. 回家学习
It is a stock video footage mp4 template with HD (1080) resolution in education category. Close-up shot of a child drawing with vintage ink pen and making some blots
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