express as 表示成,以...表示. He did not express any views as to the description of the young man. 他没有表示对那年轻模样人的任何看法. express in 用…陈述 The number of units of useful information contained within a linear dimension, usually expressed in units per inch. 在一单位长度内包含的有用信息单位数.通常用每英寸多少单位表示.
