Polyphosphazenes
[化] 含磷氮链聚合物
🗣️ 情景例句
Monday morning.
星期一早晨。
It doesn't work.
它出故障了。
Oh, a lot of different things! One machine helps them to put rice in bags.
能做好多不同的事情呢！比如能帮助农民把大米装袋等。