Coprinin
[化] 4-甲氧甲苯醌
??? 情景例句
I've been studying all day, and I'm sick and tired of it.
我學了一天，現在感到厭倦。
Behave yourself, or I'll shot.
乖乖聽命，不然我就開槍。
For the first time in his life, he became the proud owner of a bed which had springs and a mattress.
他平生第一次自豪地擁有了一張既有彈簧又帶床墊的床。