Pyrazolone
吡唑啉酮
🗣️ 情景例句
It's not easy, but what is?
这不容易， 但什么事又容易了？
Let's get to the point.
让我们来谈要点。
In the light of this statement, teachers live by selling knowledge,
根据这种说法，教师靠卖知识为生，哲学家靠卖智慧为生，