Phosphinylidene
氧亚膦基
🗣️ 情景例句
Please tell me about your working background.
请告诉我你的工作背景。
I'd like to change this ticket to the first class.
我想把这张票换成头等车。
There he was picked up by a policeman and sent back to England by the local authorities.
他在那儿被一个警察抓住了，之后被当局送回了英国。