Polyphosphate
多磷酸盐
🗣️ 情景例句
Advice doesn't normally come cheap, but this piece is for free...
通常来说，忠告都是价值不菲的，但这个是免费赠送的。。。
This windows is junst as small as that one.
这扇窗户刚好和那扇一样小。
But there are some parts of the word where even now people cannot write.
但直到现在，世界上有些地方，人们还不会书写。