Carboxyls
(carboxyl 的复数) n. 羧(基)\\n[化] 羧基
🗣️ 情景例句
I could sure use a drink.
我真得来一杯。
A man without a smiling face must not open a shop.
人无笑脸，不要开店。
But I plan to weed the yard today.
我计划今天除院子里的草。