Iid
獨立同分布[的]
??? 情景例句
My final test is worth half my grade.
我的期末考試結果占我總成績的一半。
I'm glad to hear you are getting married.
我很高興聽到你將結婚的消息。
Meanwhile, a number of university students have volunteered to drive buses while the strike lasts.
與此同時，有一部分大學生自愿在罷工期間駕駛公共汽車。