我计划在演员进入画面之前先获得背景的快照。

I planned on taking a snapshot of the background before the players entered the field of view.

youdao

你可以使用斜线作为引导线，为进入画面提供一种方法。

You can use diagonals as leading lines to provide a way into the picture.

youdao

因为你必须使用大光圈和长时间曝光，也就是说任何环境中的光线都会进入画面造成过曝。

You're going to be dealing with long-exposures and wide-open apertures, which means any environmental light will creep into the frame and overpower the image.

youdao