• VOA流行美语 Unit 171:crummy和sack out Larry和李华正在吃午饭。Larry好像心情不太好。今天李华会学到两个常用语:crummy和sackout。LH:Larry,怎么啦?你好像不太开心,是什么事惹你不高兴?LL:Oh,I'mjusthavingareallycrummyday.Mycrummycomputercrashedagainandm......