Formohydrazide
甲酰肼
🗣️ 情景例句
How well do I speak English?
我的英文说得怎样？
My steak is so tough that it tastes like shoe leather.
我的牛排硬得像靴子上的皮革。
The last creature to compete with man was the mosquito.
能与人竞争的生物最后只有蚊子了，