链式短壁截煤机

US Researchers Discover New Breast Cancer Gene

Broadcast: Jan 21, 2003 U.S. researchers have discovered another breast cancer gene that may provide a new point of attack against the disease. The 1) molecule is common to many types of breast cancer

发表于:2018-12-08 / 阅读(56) / 评论(0)

VOA2003（上）-科技先知

New Breast Cancer Drug

By Nancy Steinbach Broadcast: October 22, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. Researchers say a drug developed several years ago reduces the chance that older wo

发表于:2018-12-15 / 阅读(65) / 评论(0)

VOA2003（下）-环境与健康

美国科学60秒 SSS 2012-12-04

Mercury tends to show up in strange places, like swordfish and sharks. Now researchers have detected small amounts of mercury in the fog that bathes the California redwoods, near Santa Cruz. The mercury levels they've measured are in parts per trilli

发表于:2019-01-08 / 阅读(37) / 评论(0)

Scientific American(十二)月

学个词Learn a Word 第1741 chain

今天我们要学的词是 chain。Chain 除了大家都知道的，有锁链的意思，还有连锁店的意思。The American drug store Walgreens became the first retail store chain to expand its services to include diagnosing and treating patie

发表于:2019-01-09 / 阅读(102) / 评论(0)

英语单词荟萃

Horse meat found in pasta of German supermarket chain

COPENHAGEN, Feb. 18 (Xinhua) -- German supermarket chain Lidl in Denmark has found traces of horse meat in a pasta dish, the supermarket annouced late on Monday. A pasta dish called Combino Penne Bolognese from the manufacturer Copack has been found

发表于:2019-01-09 / 阅读(83) / 评论(0)

英语新闻

Breast cancer more deadly to blacks

BEIJING, July 26 (Xinhuanet) -- The breast cancer is more deadly to black women than to whites, a new study found. This finding was published online Monday on the Journal of Clinical Oncology in the United States. The study was done by the City of Ho

发表于:2019-02-19 / 阅读(79) / 评论(0)

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学英语单词

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