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By Gary Garriott Broadcast: August 25, 2003 This is Steve Ember with the VOA Special English Development Report. Freezing can keep food fresh and safe to eat. Freezing lowers the food temperature belo

发表于:2018-11-27 / 阅读(438) / 评论(0)

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DEVELOPMENT REPORT - Freezing Food By Gary Garriott Broadcast: Monday, December 27, 2004 I'm Gwen Outen with the VOA Special English Development Report. Freezing can keep food fresh and safe to eat. F

发表于:2019-01-02 / 阅读(58) / 评论(0)

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X-Ray Technology Helps Recover Lost 19th-Century Images The worlds very first photographs were taken in the 1830s. Scientists now say they have found a way to recover lost images made from the very first photographic process. The new method uses X-ra

发表于:2019-01-03 / 阅读(40) / 评论(0)

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There are more than 26 thousands casting companies in China, accounting for half of all the global manufacturers of casting products. But the traditional method of handmaking castings is heavily reliant on human resources and energy, and can produce

发表于:2019-01-19 / 阅读(78) / 评论(0)

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发表于:2019-01-24 / 阅读(20) / 评论(0)

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Move away from the sun, and you'd expect things to cool down a little. Venus, the picture of coolness and calm, all pale but gully-cloaked by clouds but the planet of love is shrouded in mystery-----------draw beneath her treacherous veil at your own

发表于:2019-02-05 / 阅读(51) / 评论(0)

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学英语单词

acrocephalus bistrigiceps

action in tort

active defect

acute optic axial angle

bedding-in of bearings

Bol'shaya Laba