Xantorubin
血清黄色素
🗣️ 情景例句
And you can tell me
到时候你就可以告诉我`
I did it without much difficulty.
我没费多少劲就完成了那项工作。
I don't know his number. Did you write it down?
我不知道他的电话号码。你记下来了吗？