[化] 气体密度计

n. An instrument for measuring the degree of rarefaction
of air contained in the receiver of an air pump.

大学生活英语-Using a Parking Meter(2)

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VOA标准英语2009年(十二月)

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出国旅游口语一本通

Control--- rule---govern

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自考英语（一）78讲

【突破英文词汇】meter, metr -- measure 度量

1. barometer /bəˈrɔmitə/ -- instrument for measuring atmospheric pressure as an aid in determining probable weather changes When the barometer indicates a rapid drop in air pressure, it means a storm is coming. 气压计显示出气压快速下降时

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Del Potro dreams of Olympic medal in London

BUENOS AIRES, July 16 (Xinhua) -- Argentinean tennis star Juan Martin Del Potro, ranked 9th worldwide, said bringing home a medal from the London 2012 Olympic Games would be akin to scoring a Grand Slam win. In an interview with local daily Clarin Mo

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英语新闻

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英语新闻

Del Potro and Benneteau reach final in Rotterdam

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学英语单词

abibliophobia

Accretive Acquisition

alphafemale

areal coordinate

ash tray

asplenium rutifolium kze.var.prolongatum hk.

background mode

Bahamians

barrels of oil per day(bopd)

basaltic dome

Bentiaba