Phenanthridinyl
菲啶基
🗣️ 情景例句
He's quiet now.
他现在很安静。
We'd like to clear up some points connected with the technical part of the contract.
我们希望搞清楚有关合同中技术方面的几个问题。
In her letter, she said that she would come to England next year.
在信中她说她明年将到英国来。