Polyphosphates
(polyphosphate 的复数) 多磷酸盐
🗣️ 情景例句
The advanced class is nonstop.
高级课程， 是没有休息的。
Have you got anything larger?
有大一点的吗？
What's the matter, Granny? Can I help you?
什么事，老大娘？我能帮你吗？