Aithioic acid
[机] 二硫羧酸
🧩 词语组成解析
🗣️ 情景例句
This small child is quite self-centered. Maybe he is spoiled by his family.
这个小孩挺以自我为中心的，可能是被家人宠坏了。
Please hurry, we're a bit pressed for time.
请快点，我们时间不多了。
I was on the march.
我参加了游行。