The background picture may be stockfootage from a film library.
可以从电影资料馆将背景胶片借出。
2
Learn to composite stockfootage of various fire elements and have your friends burst into flames.
学习各种火灾因素综合股价镜头和你的朋友起火。
3
The background picture may be stockfootage from a film library. Scale model are used to create such effects as earthquakes, explosions, and living dinosaurs.