Erythrolein
石蕊红素
🗣️ 情景例句
We should get to work,
我们得开始做事了。
He is a doctor. He has his own practice.
他是个医生，他自己开业。
Past experience has taught us that certain accomplishments are beyond attainment.
以往的经验告诉我们有些事是办不到的。