Aithioic acid
[机] 二硫羧酸
🧩 词语组成解析
🗣️ 情景例句
Oh dear! What a pity!
啊！真遗憾！
If you wouldn't mind, I could use a hand.
如果你不介意的话，我可能要你帮个忙。
Her first impulse was to go round all the rooms looking for the thieves,
她第一个条件反射是各个房间搜寻一下窃贼，