Dialkylate
二烃基化合物
🗣️ 情景例句
If you need any help, I'll be ust over here.
如果你需要任何帮助，我都随时待命。
I'm afraid there's some sort of misunder standing.
这恐怕有一些误会。
I don't have any cash with me.
我身上没带现金。