Carboxy
n. [有化] 羧基
🗣️ 情景例句
Lend-me your black-bag.
把你的黑包借给我吧。
Think of the devil and he's looking over your shoulders.
说到曹操，曹操就到。
Boys' relay: The winners -- Class 3! (Hooray!) Well done!
男子接力赛：获胜者--3班！（好！）干得好！