Backprojection
幕后投影; 背景放映
🗣️ 情景例句
I think it's a good idea, Ellen.
我觉得这是个好主意， Ellen。
Don't trouble trouble until trouble troubles you.
不要自寻烦恼。
Almost any day a young porpoise may be seen trying to turn a 300-pound sea turtle over by sticking his snout under the edge of his shell and pushing up for dear life.
几乎每天都可以看到一只小海豚把鼻子顶入一只300磅重的海龟的硬壳下面，拼命地把它翻过来。