Polyphosphazenes
[化] 含磷氮链聚合物
🗣️ 情景例句
My father is an engineer of a construction company, and mother is a doctor.
我父亲是一家建筑公司的工程师，母亲是一名医生。
The weakest goes to the wall.
适者生存。
What about you? Where do you live?
你呢？你住在哪儿呢？