Nitrosation
[化] 亞硝化; 亞硝化作用
??? 情景例句
on the school board,
在聯(lián)合校董會中
Care brings grey hair.
憂慮催人老。
Bison were killed for their meat, while their fur provided warm clothing during cold winters.
他們殺野牛，吃野牛肉，用野牛毛皮制成冬季御寒的衣服。