Lubrication reduces noise and wear.润滑作用能减少噪音和磨损.We shall require more lubrication oil this month.这个月我们需要更多润滑油.Sludge can also clog oil passages and prevent normal engine lubrication.油泥还会阻塞油路,妨碍发动机的正常润滑工作....

镅酸盐...

adj.空气的，气压的...

Costa Rica becomes a signatory to the Buenos Aires copyright treaty.1916年,哥斯达黎加成为布宜诺斯艾利斯版权条约的签字国之一.He fled to Costa Rica to avoid military service.他逃到了哥斯达黎加以逃避服兵役。...banana plantations in Costa Rica.哥斯达黎加的香蕉种植园Here, a fe...

In America most leisure-time activities are about a million times better than anywhere else...美国大多数休闲娱乐活动比其他地方要丰富得多的多。A clash with America over farm subsidies had left the Europeans and their common agricultural policy s...

I want to help them find some extricable approaches.我想要帮助他们找到有效的方法。...

Gear must be properly lubricated.齿轮必须适当地加油润滑.The interacting surfaces were lubricated with a mineral oil.相互作用表面是用矿物油润滑的.One mode is slippage along the discontinuity provided by the lubricated fault plane.其中一种方式是沿着润滑的断层面所...

hydropneumopericardium的音标：hydropneumopericardium的英式发音音标为：[haɪdrɒpn'ju:məpərɪkɑ:dɪ]hydropneumopericardium的美式发音音标为：[haɪdrɒpn'juməpərɪkɑdɪ]...

adj.寓言的，讽喻的...

fabrication的复数形式为：fabrications...

The UK metricated its currency in 1971.英国于1971年将货币改为十进制....

It is cylindrical in shape.它是圆柱形的。huge cylindrical gas tanks巨大的圆柱形贮气罐Beer cans are cylindrical.啤酒罐子是圆筒形的....

metricated的音标：...

The students have barricaded themselves into their dormitory building.学生们把自己关在了宿舍楼里。The rioters barricaded streets with piles of blazing tyres.暴徒用一堆堆燃烧的轮胎在大街上筑起了路障。About forty prisoners are still barricaded inside the wr...

Maricacea的音标：...

microlubricant的音标：microlubricant的英式发音音标为：[maɪkrɒ'lu:brɪkənt]microlubricant的美式发音音标为：[maɪkrɒ'lubrɪkənt]...

[人名] 比勒里基，[地名] [英国] 比勒里基...

vi.支吾，搪塞，说谎n.推诿的人，撒谎的人...

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

v.编造( fabricate的现在分词 )，伪造，建造，制造...

clericalism的音标：clericalism的英式发音音标为：['klerɪkəlɪzəm]clericalism的美式发音音标为：['klerɪkəlɪzəm]...

For ten years she dwelled among the nomads of North America.她在北美游牧民中生活了十年。North America is connected with South America by the Isthmus of Panama.巴拿马海峡把北美同南美连接起来.South America is joined to North America by a canal.南美洲和北美洲...

心包外的...

欧石楠科，杜鹃花科...

He waxed lyrical about the skills and commitment of his employees.他津津乐道于员工的技能和敬业精神。This juxtaposition of brutal reality and lyrical beauty runs through Park's stories.这种残忍的现实和浪漫美好事物的并存始终贯穿于帕克的短篇小说中。His paintings bec...

Some Puerto Ricans feel that for those reasons Puerto Rico should become the 51 st State.一些波多黎各人们认为对于这些原因波多黎各应该成为第51个州.So many slanders are written every day in the daily press against Negroes and Puerto Ricans.因为在每天的新闻报...

The South African mailboat arrived on Friday mornings unless bad weather intervened.除非受恶劣天气干扰，南非邮船一般在星期五上午抵达。The South African president has negotiated an end to white-minority rule.南非总统已通过谈判达成协议，结束了少数白人的统治。The South Afr...

The housing shortage in the Western Cape adds to tension between Coloureds ( mixed - raceSouth Africans ) and blacks.在西开普地区,住房紧缺增强了有色 ( 混合种族的南非人 ) 和黑人之间的紧张状态.North Africans make up the largest and poorest immigrant group...

generically的音标：generically的英式发音音标为：[dʒə'nerɪklɪ]generically的美式发音音标为：[dʒə'nerɪklɪ]...

We can transmute water power into electrical power.我们能将水力变成电力....electrical insulating tape.绝缘胶带The key specification for darkroom electrical property is reflecting level.暗室电性能的主要指标是反射率电平.IEEE: Institute of Electrical an...