Phenanthridinyl
菲啶基
🗣️ 情景例句
about us not having dinner with the family,
对于我们无法与全家人共进晚餐一事
I don't know where I've seen him before.
我不晓得在哪儿见过他。
Then why do you want to sell it?
那么，您为什么要卖掉它呢？