Polyphosphate
多磷酸盐
🗣️ 情景例句
Maybe we should hang out sometime.
我们什么时候可以一起出去散散心。
A growing youth has a wolf in his belly.
青年成长时，食量大如狼。
We're going to meet here, outside the school gate, at two o'clock.
我们打算两点钟在校门外见面。