何以言之how: adv. 1.怎样,怎么(=in what manner ...one: Once one is one. 一乘一等于 ...explain: vt. 1.说明,阐明;解释。 2.说明…的理由,替…辩 ...it: it2 pron. (sing. Nom. ...how should one read a book: 应该怎样读书下载手机词典可随时随地查词查翻译