Coprinin
[化] 4-甲氧甲苯醌
🗣️ 情景例句
It's a piece of cake.
这是小菜一碟。
I get up before six o'clock every day.
每天我六点前起床。
A short while ago, my sister helped me to carry one of my old bookcases up the stairs.
几分钟前，我妹妹帮我把一个旧书橱抬上了楼。