ounce/aUns; aʊns/n [C] written abbreviation 书面缩写为 oz 1 a unit for measuring weight, equal to 1/16 of a pound or 28.35 grams 盎司〔重量单位﹐等于 1/16 磅或 28.35 克〕2 an ounce of sth even a small amount of something 一点点某事物: If you had an ounce of sense, you’d leave him. 你要是有一点点头脑就会离开他的。