Stratified
a. 分層的；形成階層的；分為不同等級的
? 同義詞
??? 情景例句
It's mostly young people who take part.
參加活動的絕大多數(shù)是年青人。
Your niece is engaged,isn't she?
你的侄女訂婚了，是嗎？
The first sign of disaster was a dead sheep floating down.Next came a horse, swimming bravely,
災(zāi)難的第一跡象是一只死羊順流而下，接著一匹活馬勇敢地與水搏擊。