Perchlorether
[化] 全氯乙醚
🗣️ 情景例句
Look, the Kramers are showing off in their new convertible.
看，克来姆一家在炫耀他们的新敞蓬车。
All things are easy that are done willingly.
做事乐意，诸事容易。
Why, you may wonder, should spiders be our friends?
你可能会觉得奇怪， 蜘蛛怎么会是我们的朋友呢？