Nira
abbr. nitrite reductase gene 亞硝酸還原酶基因
??? 情景例句
I did my thesis on Sino-American Business Relationship.
我做的論文題目是中美貿易關系。
Every advantage has its disadvantage.
有利必有弊。
Why vinegar, Sir, if I may ask?
先生，要是我能問的話，您為什么要帶醋呢？