Mbna
[醫][=N-methyl-N-benzylnitrosamine]N-甲基-N-芐基亞硝胺
??? 情景例句
I'd rather walk than take a taxi.
我寧愿走路去，也不愿坐的士去。
It's a few minutes after two.
兩點過幾分。
I work in a small factory.
我在一個小工廠里工作。