Dibutoxy
二丁氧基
🗣️ 情景例句
Sit down, sit down. Have some coffee.
请坐， 请坐。喝点咖啡。
Do you have a phone book(directory)?
你有电话簿吗？
so that I was positive I should recognize it as familiar territory.
因此，我相信这段路对我来说会是很熟悉的。