Polyketide
聚酮化合物
🗣️ 情景例句
Oh. Your offer sounds interesting.
哦，您所给的优惠听起来蛮吸引人的。
An ill workman quarrels with his tools.
拙匠常怪工具差。
I'm good at freestyle and breast stroke.
我擅长自由泳和蛙泳。