vt make pure 使纯净；使变纯；使净化；使纯洁：The salt has been specially purified for use in medicine. 这盐为了药用已经专门进行了纯化。/P～ the water before drinking it. 饮水前先把水净化一下。
【搭】 介：～ air by filtration 用过滤法净化空气/be purified from all sin 洗心革面/～ sb (或 oneself) of a charge 洗涤某人(或自己)的罪 ...... （共260字） [阅读本文]>>
英语常用词n ① ［C］ a fourth part of a whole; ：a ～ of a mile 英里/a mile and a ～ 1英里 ② ［C］ fifteen minutes before
英语常用词n ［C］ ① a measure of time equal to about 365 days， which is the amount of time it takes for the ear
indef art ［A is used before a consonant sound; an is used before a vowel sound.］ 不定冠词［a 用于辅音音素前； an
Ⅰ vt ① give up completely or forever 彻底放弃；抛弃：They ～ed the attempt to climb up the mountain. 他们放弃了登山
(pt & pp abode ［ǝ′ｂǝｕｄ］ or ～d) Ⅰ vt ［esp in neg & inter］ bear; tolerate ［尤用于否定及
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