Oxyhydrazides
羟(某)酰肼
🗣️ 情景例句
Maybe I'll run against him.
也许我与他竞选。
Better master one than engage with ten.
精通一事胜于会十事。
It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。