Polyketides
聚酮
🗣️ 情景例句
I see.
哦。
What a gossip!
搬弄是非！
I've got a problem and as I don't know what to do I thought I'd write to you and ask for your advice.
我有一个问题，因为我不知道该怎么办。我想我最好写信给你，征求你的意见。