预约成功
编辑推荐：2015成人英语三级考试复习重点汇总
aboard，abroad，board，broad
aboard 在船(或飞机，车)上。如：I never went aboard a ship.
abroad 副词，在国外或海外。如：He often goes abroad.
board 为动词，上(船，飞机，车)。如：The passengers are boarding the plane now.
broad 为形容词，宽广的。如：He has very broad shoulders.
编辑推荐：
