Polyunsaturates
(polyunsaturate 的復(fù)數(shù)) n.[化]多不飽和物(如脂肪等)
??? 情景例句
Daddy, can we go soon?
爸爸 ，我們能快點(diǎn)走嗎？
Old wood is best to burn,old book to read.
老柴好燒，老書(shū)宜讀。
Are you English?
你是英國(guó)人嗎？