Dena
[医][=diethylnitrosamine]二乙基亚硝胺
🗣️ 情景例句
Richard, that's the baby.
Richard是小宝宝哭了。
I'll let you keep the book for the time being, but I'll want it back next week.
这本书我暂时借给你，吵过下星期我就要跟你要回来。
I am sure that, without modern weapons,
我断定，如果没有现代化的武器，