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
When you understand the cultural background, you can better use the language.
当你了解了文化背景，你就能更好地运用语言。
How's your uncle?
你的叔叔好吗？
It was my first flight. I was nervous when the plane took off.
我第一次坐飞机，起飞时我有点紧张。