Polyketide
聚酮化合物
??? 情景例句
Sure. It's 6225-9438.
好的。是6225-9438。
What would you like to do this weekend?
這周末你打算做什么？
Glancing at it briefly, he told me to look again.
他迅速地掃視了一眼，讓我再看一遍。