Impactometer
碰撞(空气)取样器
🗣️ 情景例句
He is an impressive man.
他是一个令人难以忘怀的人。
Let me lend it to you.
让我借给你。
We chose a big one. It is almost as tall as the room.
我们选了一棵大的。它几乎和房间一样高。