previous以前: before; formerly; prior to; ...的: 4次方是 The fourth power of 2 i ...预先: in advance; beforehand上述: above-mentioned; aforementio ...先前的,上述的: preceding下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:以前的,预先的,上述的,即可在微信中查询翻译