Spiracin
甲基羧基水杨酸
🗣️ 情景例句
OK. I can't believe it!
好的。我简直无法相信！
A straw shows which way the wind blows.
一叶便知秋。
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？