Some high - performance engines have two separate camshafts, one for each set of inlet and exhaust valves.一些高性能发动机有两个单独的凸轮轴, 分别负责开关进气门和排气门.The latter may be used with bypass or throttling valves in the tower water pipewo...

Nurses are undervalued, and they never enjoy the same status as doctors.护士的作用被人们低估了，她们从未享有和医生同样的地位。Even the best teacher can feel undervalued.即使是最好的老师也会感觉受了轻视。The contributed items may not be overvalued or undervalued.不得...

invaluable的音标：invaluable的英式发音音标为：[ɪn'væljuəbl]invaluable的美式发音音标为：[ɪn'væljuəbəl]...

Val的音标：Val的英式发音音标为：[væl]Val的美式发音音标为：[væl]...

equivalent的反义词有：different, different。adj.equivalent的反义词（相同的）：different。equivalent的反义词（其他释义）：different。...

At intervals there were red warning lights.红色警示灯一明一灭地闪着。Kites whooshed above the beach at intervals.风筝在沙滩上空时隐时现。These cars are put at intervals of three meters.这些车每隔三米放一辆....

adj.棒状体的...

value的一般过去时为：valued...

n.确认...

It is also used in adjectival compounds.这一词还可用以构成复合形容词.The term velout é is from the French adjectival form of velour, meaning velvety.瓦娄提这个词源于法语词汇“丝绒”的形容词, 意思是“如丝绒般柔软”....

They talked modestly of their valiant efforts to keep the tanker afloat.他们说起自己设法使油轮漂浮的英勇之举时非常谦虚。She made a valiant attempt not to laugh.她试图强忍住不笑出来。Despite their valiant efforts, they were unable to save the child's ...

v.使无效( invalidate的第三人称单数 )，使作废，证明…错误，使站不住脚...

cavalcade的音标：cavalcade的英式发音音标为：[ˌkævl'keɪd]cavalcade的美式发音音标为：[ˌkævəl'ked, 'kævəlˌked]...

n.阀，真空管，（管乐器的）活栓，（心脏的）瓣膜vt.装阀于，以活门调节...

...the dense primeval forests that once covered inland Brittany.曾经覆盖着布列塔尼大区内陆的茂密的原始森林The explorer spun many fantastic tales about his adventures in the primeval forests.那探险家杜撰了许多他在原始森林里历险的离奇故事.It'straggled onward in...

The document expressed some ambivalence over the doctrine of predestination.这份文献显示出对宿命论的某些矛盾观点.She felt a certain ambivalence towards him.她对他的态度有些矛盾.I've never lied about my feelings, including my ambivalence about ...

chivalrously的音标：chivalrously的英式发音音标为：['ʃɪvlərəslɪ]chivalrously的美式发音音标为：['ʃɪvlərəslɪ]...

medieval的反义词有：modern, ancient, ancient, modern。adj.medieval的反义词（中世纪的）：modern, ancient。medieval的反义词（其他释义）：ancient, modern。...

allivalite的音标：allivalite的英式发音音标为：[ə'laɪvælaɪt]allivalite的美式发音音标为：[ə'laɪvælaɪt]...

coeval的音标：coeval的英式发音音标为：[kəʊ'i:vl]coeval的美式发音音标为：[koʊ'ivl]...

n.估价，估定的价格或价值，定价，评价...

valid的反义词有：invalid, false, fallacious, invalid, false。adj.valid的反义词（确凿的;有效的）：invalid, false, fallacious。valid的反义词（其他释义）：invalid, false。...

[人名] 拉瓦列，[地名] [阿根廷] 拉瓦耶...

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

On its home turf, the combined bank would be unrivalled.那家联合银行在它自己的地盘上就无可匹敌了。It's a team unrivalled in stature, expertise and credibility.这个团队的名声、专业技能和信誉都是无可匹敌的。It's a technological achievement that is unrivall...

Nuclear physics has provided extensive experimental support for the mass - energy equivalence.原子核物理学已经为质能等效性提供了广泛的实验证据.The midpoint and equivalence point for carbonic acid are much higher.碳酸滴定中点和等量点也高得多....the equivalenc...

The Japanese economy will continue to outpace its foreign rivals for years to come...在未来几年里，日本的经济发展将继续快过其国外的对手。The job went to one of his chief rivals.那份工作被他的一个主要对手抢去了。They whaled their rivals 22 to 0.他们以22比0大败对方....a wo...

n.病人，残疾者( invalid的名词复数 )...

valuables的音标：valuables的英式发音音标为：['væljuəblz]valuables的美式发音音标为：[]...

A computer would have been invaluable for this job.一台计算机对这个工作的作用会是无法估计的。The book is an invaluable aid to teachers of literature.这本书对于教授文学的老师来说帮助非常大。If you are a regular reader of Homes & Gardens you will know what an inv...