Vertimeter
n. [空]升降速度计
🗣️ 情景例句
First, we have to catch some fish.
首先 ，我们得钓几条鱼。
A man's actions show his character.
行为可显出一个人的品性。
Oh ! I must get up. I'm late.
我必须起床了，要迟到了。