Carbodihydrazide
[機] 卡二酰
??? 情景例句
Is it finished yet?
行了嗎？
This mountain range has many high peaks and deep canyons.
這條山脈有許多高山峰和深峽谷。
I know it's not necessary. I want to do it.
我知道不必這樣，可是我愿付？/span>