They put Mamoun and Mansour in different classes so they could knowwhothey were talking to. Five summers ago, I couldn't tell them apartbefore the backMamoun,Mansour是人名，分别是：马穆恩,木萨尔Tell apart: tell apart 分辨tell against 不利某人tell apart 分辨tell from 区别分辨，区别apart adv. 分别；相距tell apart 分辨，区别perform vt. 履行；表演；vi. ...
