Narcylene
麻醉用(的)乙炔
??? 情景例句
That's true.
正是如此。
It's a beautiful country with many large lakes.
它是一個有許多大湖的美麗的國家。
The characters on the paper were white, and the rest of the paper was black.
紙上的漢字呈白色，其余部分成黑色。