这组词都有“帽子”的意思,其区别是:
cap: 指无边的便帽,呀表示职业的帽子,如运动帽、军帽等。
hat: 指有边的帽子,尤指礼帽。
aboard: 在船(或飞机,车)上。如:I never went aboard a ship.
broad: 为形容词,宽广的。如:He has very broad shoulders.
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: 侧重于幅面的宽广broad shoulders
wide: 侧重于一边到另一边的距离,