Dihydrazone
[机] 二腓
🗣️ 情景例句
He is working like a horse.
他努力工作。
The samples you asked for will follow by separate post.
贵方所要样品另行邮寄。
But if I give you a ring, then you will know what it's about.
不过，如果我给你打电话，那时你就会知道我的诺言是什么了。