Vacuum manometer
[化] 真空计
🧩 词语组成解析
n. 压力计\\n[化] 流体压强计; U型管测压计
🗣️ 情景例句
Is Miss Zhang in?
张小姐在吗？
I will have done it by the time you come back.
在你回来之前，我会做完它。[将来完成时，表示将完成…，会做完…]
It was from the study of these that so much was learnt about the interior of the earth.
正是从这两种波的研究中，我们可以了解到地球内部的许多情况。