Aminothiopropionic acid
[医] 半胱氨酸
🧩 词语组成解析
🗣️ 情景例句
That's good, I thought I was late.
太好了，我还以为我来迟了呢。
Do you ever work at the factory on Sunday?
你曾经在星期日在工厂工作吗？
They have nothing to sell and require nothing from others.
他们既不出售任何东西，也不需要从别人那儿得到任何东西，