Polyketides
聚酮
🗣️ 情景例句
Today's exchange rate is 170.8.
今天的兑换率是一百七十点八。
Every man is the son of his own works.
种瓜得瓜，种豆得豆。
Yes.He must remain in bed for another two days.
是的，他还必须卧床两天。