Phosphazide
叠氮膦
🗣️ 情景例句
I'm sorry, I didn't get your name.
对不起，我没听清楚你的名字。
I asked him to check it for me, but he wouldn't.
我请他帮我检查，但是他不肯。
Oh! Is that a ball? Aren't all balls round?
噢，那是个球吗？难道所有的球不都是圆的吗？