Oxyhydrazides
羟(某)酰肼
🗣️ 情景例句
Have you ever done supervisory work?
你担任过管理工作吗？
The day has eyes, the night has ears.
日有眼，夜有耳。
Yes, it's very nice. What's the time, please?
挺漂亮的，现在几点了？