Formamidine
甲脒
🗣️ 情景例句
Excuse me, but I know you from somewhere.
打扰一下，我好像在什么地方见过你。
How about Mary? How long has she lived there?
玛丽怎么样？她在那儿住多久了？
There's no need for that. We'll have dinner another time.
不必为那件事惭愧。我们改个时间再共进晚餐吧。