Sinapin
n. [生化]芥子酸胆碱
🗣️ 情景例句
Beijing Hotel.
北京饭店。
The basketball championship is exciting.
那次篮球冠军赛真激动人心。
It is bacteria that have generated the oxygen we breathe on earth.
正是细菌生产出我们在地球上呼吸的氧气。