broad /brɔ:d/ adj. 1.宽的，广阔的：The river grows broader as it nears the sea. 河流愈近大海愈宽。2.广泛的，宽容的：have a broad people’s basis 有广泛的群众基础；have a broad mind 胸怀宽广
［辨析］broad和wide均有“宽阔的”之义，两词常可通用，broad强调两边之间的面积比较宽广，而wide则强调从一边到另一边之间的距离。另外，形容肩、胸、背用broad，口、眼用wide。如：a wide/broad street; a broad leaf; a picture two feet wide
broaden /ˈbrɔ:dn/ vt. & vi. （使）变宽，（使）扩展：The river broadens here.河流在这里变宽了。This broadened my vision and knowledge.这件事使我打开了眼界, 增长了知识。
broadband /ˈbrɔ:dbænd/ n. [c] 宽带：broadband networks宽带网；fiber-optic broadband光纤宽带
