Aperturing
孔径作用
🗣️ 情景例句
and I didn't know what it would be like.
而且我也不知道将会是怎么一个样子。
What does your father do?
你父亲做什么工作？
Collecting as a serous hobby is quite different and has many advantages.
作为一种严肃的业余爱好的收藏活动完全是另外一回事，它具有许多益处。