1）a multitude of 大批的,众多的,后面接可数名词复数形式. They are found in amultitude of colours making them the most beautiful frogspecie. 它们被发现拥有众多颜色,这使它们成为最美丽的青蛙物种之一. 2）an army of 一大群,后面可接可数名词复数形式,也可接不可数名词或集体名词. The city centre is a well-ordered place,with streets continually swept by an army of workers influorescent orange vests. 城市的中心是一个秩序井然的地方,街道由一群身着荧光橘红色环卫服的工人在不断清扫.
