Dena
[医][=diethylnitrosamine]二乙基亚硝胺
🗣️ 情景例句
Absolutely.
绝对。
Excuse me. Can you tell me where Main Street is?
劳驾，你能告诉我正街在哪里吗？
The sides of the dish were so smooth that it was almost impossible to attach hawsers and chains to the rim without damaging it.
盘子四边十分光滑，要在盘边拴上绳索或链条而同时又不损坏它是很难办到的。