Aperturing
孔径作用
🗣️ 情景例句
If I fail this test I'll kill myself.
我这次考试要是通不过，就得自杀了。
Theings past cannot be recalled.
过去的事情无可挽回。
The wheels scooped up stones which hammered ominously under the car.
车轮搅起的石块锤击车身，发出不祥的锤击声。