Flavaniline
黄苯胺, 2-对氨苯基-4-甲基喹啉
🗣️ 情景例句
Typing is easy once you get the hang of it.
一旦你掌握诀窍，打字就很简单。
I can't take it.
真是受不了。
Will you come through to the back, please?
请跟我到后面去。……你何不试试这套呢？