Dena
[医][=diethylnitrosamine]二乙基亚硝胺
🗣️ 情景例句
Did you have dinner, Robbie?
你吃晚餐了吗， Robbie？
Before gold,even kings take off their hats.
在黄金面前，国王也要脱帽。
Follow your teacher's instructions.
按照他/她告诉你的去做。