Dena
[医][=diethylnitrosamine]二乙基亚硝胺
🗣️ 情景例句
This winter has been a cold one.
目前来看，今年冬天算比较冷的。
How long will it take you to have it counted?
你要多少天才能把它计算好？
Now Alfred began a long series of skirmishes -- and within a month the Danes had surrendered.
这时，阿尔弗雷德发起一连串小规模的进攻，结果不出一个月，丹麦人就投降了。