Picolinamide
吡啶酰胺, 氮苯酰胺
🗣️ 情景例句
I could almost touch it.
我几乎可以摸到它。
To march in shingle file
排成一列前进
and yet one might be cautious about believing this statement.
不过，人们不会轻信她的抱怨。