Carboxyl
n. 羧(基)\\n[化] 羧基
??? 情景例句
Nothing's as refreshing as ice water on hot day!
在大熱天沒有什么像冰水那樣提神。
Six feet of earth makes all men equal.
在墓穴中人人都平等。
If I get there early, I can see the doctor quickly, she thought.
“早到就能早看醫生，”她想。