Thioaminopropionic acid
[医] 硫氢氨基丙酸, 半胱氨酸
🧩 词语组成解析
🗣️ 情景例句
I feel sorry for the beggars, but I can't stand it when they teach their children how to beg.
我很同情乞丐，但我真的看不惯他们教孩子怎么样行乞。
The first step to virtue is to abstrain from vice.
不作恶是走向美德的第一步。
The tape was so stick that they did not dare to cross it.
胶带极粘，蚂蚁不敢从上面爬过。