Leukoderivative
[医] 白色衍生物
🗣️ 情景例句
What room are you in, sir?
先生，您住几号房？
What do you do in your spare time?
闲暇时，你干些什么？
I'm sorry, Lucy.I'm afraid that I can't get up.
对不起，露西，恐怕我站不起来。