Carboxy group
[机] 羰基
🧩 词语组成解析
n. [有化] 羧基
group
[ɡrup]
n. 组，团体;群，批;（雕塑等的）群像;（英美的）空军大队;
vt.& vi. 使成群，集合;
vt. 分类，归类;
🗣️ 情景例句
Have you been getting enough rest?
你休息的足够吗？
It's a beautiful country with forests, mountains and deserts.
这个国家很美，它有很多森林、山和沙漠。
It seems she was in class on Friday afternoon, but no one has seen her since.
好象她星期五还在教室，但从那以后没人看见过她。