Nitrotoluidine
硝基甲苯胺
??? 情景例句
What's wrong, Susan?
有什么問(wèn)題嗎， Susan？
He who makes constant complaint gets little compassion.
經(jīng)常訴苦抱怨，難以博得同情。
Is that an English car?
那是輛英國(guó)產(chǎn)的小汽車嗎？