Alkyle
[医] 烃基化物
🗣️ 情景例句
She is quite good with her hands.
她的手很巧。
We must make it clear from the very beginning that competitive quotations are acceptable.
必须一开始就讲清的是，有竞争力的报价可以接受。
This is a No Parking area.
此处是‘禁止停车’区。