n a large number or amount
n a small mass of soft material
n (often followed by `of') a large number or amount or extent
n a wad of something chewable as tobacco
v compress into a wad
v crowd or pack to capacity
n. 一卷( wad的名词复数 ); 一叠; 小块软物; <美><口>大量（尤指金钱）