Perchlor-ether
[机] 过氯乙醚
🧩 词语组成解析
ether
['i:θə]
n. <化>醚;the ether 苍穹;苍天;太空;
🗣️ 情景例句
They don't have room service at Old Country Inn. Old Country Inn
没有房间服务部。
Excuse me for bothering you.
打扰了！
The problem now facing humanity is: What is going to be done with all this knowledge?
用这些知识去做什么？