Melanins
(melanin 的復(fù)數(shù)) n. 黑色素\\n[化] 黑素
??? 情景例句
I should have asked you first.
我應(yīng)該先征得你的同意。
Call a spade a spade.
據(jù)實(shí)而言。
but as a special favour, he would let me have it for $30.
作為特別優(yōu)惠，他愿意讓我出30英鎊成交。