Alkylide
烃基化物
🗣️ 情景例句
I don't want to sound like a busybody, but didn't you plan to go abroad?
我并不想瞎打听，可你原来不是打算出国吗？
The Hilton hotel, please. I have a 10:30 appointment.
请到希尔顿旅馆，十点半我有一个约会。
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？