Polyphosphoric acid
[化] 多磷酸
🧩 词语组成解析
🗣️ 情景例句
We urgently need to establish our own credit system.
我们期待建立我们自己的信用机制。
Insecticides destroy many harmful bugs.
杀虫剂能驱除许多害虫。
When will we hear something from him?
什么时候会有消息呢？