Leucoline
[有化]喹啉, 氮(杂)萘
🗣️ 情景例句
What's your telephone number?
你的电话号码是多少？
Come and see me when you have time.
有空时请过来。
Why vinegar, Sir, if I may ask?
先生，要是我能问的话，您为什么要带醋呢？