Polyphosphate
多磷酸盐
🗣️ 情景例句
My mother promised me a birthday party with a clown.
我妈妈答应给我办一个有小丑的生日派对。
But you have to pay 5% commission on this money exchange.
但兑换这笔外币，您得另外付5%的手续费。
It was one of the biggest buildings of all time and a lot of people from many countries came to see it.
它是有史以来最高大的建筑物之一，因此，人们从各个国家纷纷前来参观。