Dropshutter
n. (旧式照相机的)自动下落防光门
🗣️ 情景例句
You've been a very helpful.
你帮了大忙。
I want to take this opportunity to thank them all.
我想借这个机会向他们表示感谢。
We've been anxious about you. We were expecting you back much earlier.
我们都为你们着急呢。都盼着你们早点儿回来。