rarefy的一般过去时怎么写？

rarefy的音标：rarefy的英式发音音标为：['reərɪfaɪ]rarefy的美式发音音标为：['rɛrəˌfaɪ]...

vt.使稀薄，（思想等）精炼，使纯化，使变得精妙深奥...

rarefy的现在进行时为：rarefying...

rarefy的第三人称单数（三单）为：rarefies...

rarefy的现在完成时为：rarefied...

You can't actually drink the water from the marshland. But you can distil it.沼泽地的水不能饮用，但是可以将它蒸馏净化。The engineers carried the highway across the marshland.工程师们把公路延长通过沼泽地带.A raised roadway , as across water or marshlan...

feasible的音标：feasible的英式发音音标为：['fi:zəbl]feasible的美式发音音标为：['fizəbəl]...

“显出”的英语可以翻译为：give evidence，express，exhibition，show，ray ...

vined的音标：...

couch的现在进行时为：couching...

ensilaging的音标：...

She was almost 90, but still very robust.她将近90岁了，但身体仍然十分强健。I want something sequacious now and robust.我现在想要前后一贯和健全的东西.That chair's not very robust; don't sit on it.那把椅子不太结实, 别坐它了。The Neanderthals were very rob...

[医] 抗抗毒素...

他打算把资金分散存到不同的购房互助会的账户上。His plan is to spread the capital between various building society accounts.你把资金投到那家公司,保证万无一失.Your money will be as safe as houses in that company.他们打算把资金和劳力一起征用.They conscript both capital and lab...

softest的音标：...

“肌霉素”的英语可以翻译为：[化] inomycin ...

Many people are upgrading their mobiles to top-end models.很多人不断将手机升级到最高档的款式。Practical application results are perfect after the well done upgrading.改造实施后达到理想的使用效果.The thesis explains investment decision of R & D upgradin...

pa的音标：pa的英式发音音标为：[pɑ:]pa的美式发音音标为：[pɑ]...

n.叉子齿，（进攻、论点等的）方面，（构成形容词）有…齿的，分…方面的...

The author boxed the compass of negation in his article.该作者在文章中依次探讨了各种反面的意见.The life of an evil man is a moral negation.恶人的生命在道德上是无价值的.Irena shook her head, but in bewilderment, not negation.伊连娜摇了摇头，是困惑，而非拒绝。...