Perchlorether
[化] 全氯乙醚
🗣️ 情景例句
No, I think this one belongs in the people-at-work section.
不 ，我认为它属于工作中的人们的那一区。
If two men ride on a horse, one must ride behind.
两人同骑一马，必有一人在后。
Until we are intelligent as to its laws and varieties,
直到我们理解了风俗的规律性和多样性，