Thioaminopropionic acid
[医] 硫氢氨基丙酸, 半胱氨酸
🧩 词语组成解析
🗣️ 情景例句
I have just begun to learn and my serve isn't very good.
我刚刚开始学习，发球不太好。
Rodney began to sob with grief.
罗杜尼悲伤得开始哭了起来。
I'm sorry to burst in on you like this, but I'm really upset.
我很抱歉这样突然地找您，但我真的很心烦。