Pnictide
磷族元素化物
🗣️ 情景例句
The professor runs a restaurant on the side.
这个教授的副业是开饭馆。
Mrs.Jones,this is Mr. John Smith.
琼斯夫人，这是约翰、史密斯先生。
and because there is so much of it the function would seem to e important.
睡眠占去那么多时间，所以其作用似乎还是很重要。