maintain的一般过去时怎么写

maintain的现在完成时为：maintained...

They maintain a database of hotels that cater for businesswomen.他们维护着一个服务于商界女性的酒店资料库。The house costs a fortune to maintain...维修这幢房子花销不菲。AMU 002 can you maintain visual and climb?AMU002你可以保持目视爬升穿越 吗 ?Maintain knowledge of...

maintain的反义词有：abandon, forsake, abandon, eliminate。vt.maintain的反义词（维持;使继续;保养）：abandon。maintain的反义词（其他释义）：forsake, abandon, eliminate。...

vt.保持，保养，坚持，固执己见...

maintain的近义词/同义词有：save, bear, uphold, retain, possess, protect, preserve, guard, keep, support, sustain, uphold, settlement, sustain, profess, support, hold, preserve, shoulder, retain, nourish, propose, protect, harbor,...

The psychiatrist must learn to maintain an unusual degree of objectivity.精神科医生务必要学会保持超乎寻常的客观态度。She could not maintain her balance and moved in a wobbly fashion.她无法保持平衡，走路颤颤巍巍。His critics maintain that he's responsib...

maintain的现在进行时为：maintaining...

maintain的音标：maintain的英式发音音标为：[meɪn'teɪn]maintain的美式发音音标为：[men'ten]...

maintain的第三人称单数（三单）为：maintains...

maintain的近义词有：assert, affirm, allege, maintain, testify, claim,maintain, conserve, preserve, save, store。下面这些动词均含有"断言，声称"的含义：assert ：主观意味强，指自认为某事就是如此，而不管事实如何。affirm ：侧重在作出断言时表现出的坚定与不可动摇的态度。allege ：多指无真凭实据，不提供证据的断言或宣称。mai...

A valiant man's look is more than a coward's sword.勇士的神色胜过懦夫的刀剑。Despite the hero's noble intentions, his valiant spirit quickly succumbs to Diablo's corruption.虽然他有高尚的意志, 但他的斗志很快就屈服于Diablo的腐化.She made...

jibbing的音标：...

tragic的近义词/同义词有：grievous, catastrophic, dreadful, disastrous, sad, painful, afflictive, dire。adj.tragic的近义词（悲剧性的;悲惨的）：grievous, catastrophic, dreadful, disastrous, sad。tragic的近义词（其他释义）：painful, afflictive, dire。...

“安眠的”的英语可以翻译为：dormitive，opiate，[医] hypnagogic，sleep-producing ...

vt.把…浸软，使消瘦， 使憔悴， 折磨...

allotropic的音标：allotropic的英式发音音标为：[ˌælə'trɒpɪk]allotropic的美式发音音标为：[ˌælə'trɒpɪk]...

Or, must she receive those intimations -- so obscure, yet so distinct -- as truth?或许, 她应该把那些如此含糊又如此 明晰 的暗示当作真理来接受 吧 ?Late autumn contains intimations of a harsh winter to come.萧瑟深秋预示寒冷的冬天即将到来.If these intimations of a so...

Finally, It'shows an application example of aerofoil missile.最后给出了有翼导弹模块系统的应用实例.With use of this structure model, we can simulate the real performance of aerofoil very well.应用该结构模型可以很好的模拟机翼结构的实际情况.Three kinds of fan...

“氰”的英语可以翻译为：[化] （碳和氮的化合物） cyanogen，dicyanogen ...

abbr.registration 登记，register 记录，registered 已注册的，registry 档案室...

n.打杂女佣，零佣的女性( charlady的名词复数 )...

raw的最高级为：rawest...

depressions的音标：depressions的英式发音音标为：[dɪp'reʃnz]depressions的美式发音音标为：[dɪp'reʃnz]...

chiastolite的音标：chiastolite的英式发音音标为：[kaɪ'æstəˌlaɪt]chiastolite的美式发音音标为：[kaɪ'æstəˌlaɪt]...

"Third World" is an abstraction, a form of shorthand.“第三世界”是个抽象概念，是一种简称。Andrew noticed her abstraction and asked, "What's bothering you?"安德鲁注意到她在愣神，便问道：“你怎么啦？”water abstraction from rivers从河流中抽取水...