usage/ˋjusIdʒ; ˈjuːsIdʒ/n 1 [C,U] the way that words are used in a language〔词语的〕用法: a book on modern English usage 关于现代英语用法的书2 [U] the way in which something is used, or the amount that it is used 使用方法﹔使用量: Car usage has increased dramatically. 汽车的使用量大幅度增加。