rarefy的一般过去时怎么写？

vt.使稀薄，（思想等）精炼，使纯化，使变得精妙深奥...

rarefy的现在完成时为：rarefied...

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

rarefy的现在进行时为：rarefying...

rarefy的第三人称单数（三单）为：rarefies...

emasculated的音标：emasculated的英式发音音标为：[ɪ'mæskjʊleɪtɪd]emasculated的美式发音音标为：[ɪ'mæskjʊleɪtɪd]...

A water bird, startled into flight , rose up wildly before disappearing into the shadows.一只宿鸟“嘎”地一声,掠过水光, 扑到黑沉沉的山影中去了.A crowd of 2000 was startled near the end of the concert.2000名观众在音乐会将近结束时大吃一惊。Dr. Liu reminds the resi...

vt.扫描，细看，细查，（雷达）对…进行扫描n.扫描，浏览，审视，（雷达）（屏面上的）光点vi.（光束、雷达等）扫描，扫略，（诗歌）符合韵律，标出诗歌的格律...

“敏锐的”的拼音为：...

The 40-year-old singer reformed his band.这个40岁的歌手重组了他的乐队。The great majority of criminals can also be reformed.绝大多数罪犯也是可以改造的.I flatly refused to be " reformed " .我干脆就不受这个 感化....

hippy的音标：hippy的英式发音音标为：['hɪpi:]hippy的美式发音音标为：['hɪpi]...

catch fire的音标：catch fire的英式发音音标为：[kætʃ 'faiə]catch fire的美式发音音标为：[kætʃ faɪr]...

survey的近义词/同义词有：view, peruse, contemplate, examine, review, scrutinize, study, scan, observe, estimate, gauge, measure, appraise, rate, inspect, assess, scan, canvass, examine, measurement, scrutiny, prospect, observe, c...

I think more customers probably prefer a soft sell.我认为更多的顾客也许更喜欢软性推销。They prefer to bargain with individual clients, for cash.在现款方面，他们更愿意同散户打交道。I prefer going to the cinema to watching TV.我更喜欢看电影而不是看电视。...

私下交谈；个别接触...

这个家族将自己的世系追溯到诺曼征服者.The family has traced its ancestry to the Norman invaders.他们的世系可以直接追溯到18世纪。They can trace their lineage directly back to the 18th century.按照父权制计算世系.Descent in the male line....

"Yes," he muttered, his voice so muted I hardly heard his reply.他小声说：“是。”声音低得我几乎听不到。"He's false, a phoney," Harry muttered.“他是冒充的，是个骗子，”哈里咕哝道。He muttered something unintelligible.他嘴里不知咕哝了几句什么。...

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edge的音标：edge的英式发音音标为：[edʒ]edge的美式发音音标为：[ɛdʒ]...

marimba的复数形式为：marimbas...