Formohydrazide
甲酰肼
🗣️ 情景例句
My name is Wang Feng and I'm calling to cancel plane ticket.
我叫王峰，我想取消我预定的飞机票。
He that hath time hath life.
有时间，就有生活。
How do you do? I'm sorry. I know only a little English.
你好！很遗憾，我只懂一点英语。