近距离. Doctor measures the temperature of a patient in the hospital. Professional shot in 4K resolution. 052. 你可以用它.g. 在你的 commercial video, medical, business, presentation,...
Glass is in widespread use in optical systems due to its ability to refract, 反映, and transmit light following geometrical optics. The most common and oldest applications of glass in optics are...
Graceful inhalation unfolds in 4K animation, inviting a serene journey into the beauty of life's breath.
It is a stock video footage mp4 template with HD (1080) resolution in 教育 category. Abstract inscriptions on 棕色(的) vintage paper background. 锅里拍摄.
It is a stock video footage mp4 template with HD (1080) resolution in 教育 category. Little boy coming up and sitting at the table to play. Preschool 老师s and little girl in background.
OLDCRAPdotORGIn计算, booting is the process of starting a computer as initiated via hardware such as a button or by a software command. After it is switched on, a computer's central...
It is a stock video footage mp4 template with HD (1080) resolution in 教育 category. Little girl sitting at the table in the nursery and playing with plasticine. Other 孩子ern sitting next to...
It is a stock video footage mp4 template with HD (1080) resolution in 教育 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 教育 category. Abstract inscriptions on 棕色(的) vintage paper background. 锅里拍摄.
Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as...
关于阿尔法马特. 近距离. Coronavirus protection Young hipster man wearing protective mask talking to camera, Alpha Channel. Professional shot in 4K resolution. 53. 你可以用它.g. 在你的...
患者视角. 紧急医疗服务. Doctors in protective suits carry the patient. Professional shot in 4K resolution. 052. 你可以用它.g. 在你的 commercial video, medical,...
中景镜头. Walking in and out of the frame. Beautiful senior lady in 粉红色的 autumn outfit, Alpha Channel Professional shot in 4K resolution. 063. 你可以用它.g. 在你的医疗广告里...
等待他的航班. Thoughtful businessman in formalwear looking through a window in airport. Professional shot in 4K resolution. 040. 你可以用它.g. 在你的 commercial video, medical,...
It is a stock video footage mp4 template with HD (1080) resolution in 教育 category. Two year old boy is playing with keyboard.
It is a stock video footage mp4 template with HD (1080) resolution in 教育 category. Left-handed 12 year old schoolboy makes the exercises and hands it to the 老师 for review.
It is a stock video footage mp4 template with HD (1080) resolution in 教育 category. 学习英语语音. P发音.
It is a stock video footage mp4 template with HD (1080) resolution in 教育 category. 学习英语语音. 发音.
中景镜头. Concentrated young male patient listening music in bed in a hospital. Professional shot in 4K resolution. 052. 你可以用它.g. 在你的 commercial video, medical, business,...
Man waiting and looking at planes outside the large window of the airport. Professional shot in 4K resolution. 040. 你可以用它.g. 在你的 commercial video, medical, business, presentation,...
中景镜头. Male patient holding mobile phone while resting on bed in hospital. Professional shot in 4K resolution. 052. 你可以用它.g. 在你的 commercial video, medical, business,...
It is a stock video footage mp4 template with HD (1080) resolution in 教育 category. Two year old boy is playing with computer. 男孩在键盘上打字.
It is a stock video footage mp4 template with HD (1080) resolution in 教育 category. 学习英语语音. 发音.
It is a stock video footage mp4 template with HD (1080) resolution in 教育 category. Close-up shot of a 孩子 drawing with vintage ink pen and making some blots
It is a stock video footage mp4 template with HD (1080) resolution in 教育 category. 近距离 view of the hand of a 女人 writing in her diary at sunset with the glowing orb of the sun...
It is a stock video footage mp4 template with HD (1080) resolution in 教育 category. Woman smiling as she reads a book while swimming floating on her back in the water holding the book in the...
It is a stock video footage mp4 template with HD (1080) resolution in 教育 category. 学习英语语音. B发音.
It is a stock video footage mp4 template with HD (1080) resolution in 教育 category. 学习英语语音. 我们的发音.