Aminothiopropionic acid
[医] 半胱氨酸
🧩 词语组成解析
🗣️ 情景例句
Good-bye, Robbie. Good luck.
再见 ，Robbie ，祝你好运。
It's a dark town.
这是一个黑暗的乡镇。
The daily exercises lasted only eleven minutes and I proposed to do them early in the morning before anyone had got up.
早锻炼一共只有11分钟，我打算在别人起床之前进行。