Carboxyl terminal
[化] 羧基端
🧩 词语组成解析
n. 羧(基)\\n[化] 羧基
🗣️ 情景例句
The carpet's worn out. Let's put in new wall-to-wall carpeting.
地毯已很破旧了， 我们需要装一套新的。
I haven't heard from him for a long time.
我很久没有收到他的信了。
Yesterday a beggar knocked at my door.
昨天一个乞丐来敲我的门，