i know a triplet. they are self,表示上午九點到十一點,讓我們把它們記住吧!三胞胎,我認識了一個三胞胎, which means from 9:00 to 11:00 in the morning. this is the triplets i know. let s remember them!我問了一下字典媽媽,“己”和“已”相信大家早就認識了,