Polyhydrazide
[化] 聚酰肼
🗣️ 情景例句
He owes his wealth to diligence and good luck.
他的财富是由于他的勤劳和幸运。
Not all butter that the cow yields.
母牛所产的未必全是黄油。
Let's go out to have a dinner, shall we?
咱们出去吃饭吧，好吗？