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科学美国人60秒 SSS Pigeon Pb Proxies Could Cut Kids' Blood Tests

Pigeons. Ever since humans established permanent agricultural settlements, weve lived side-by-side with the birdsor, as some people call them, rats with wings. They walk on our sidewalks, roost on our buildings, and eat our leftovers. But soon pigeon

发表于:2018-12-24 / 阅读(36) / 评论(0)

2016年Scientific American(八)月

VOA标准英语2009年-Lead Poisoning Study Shows Damage Grea

Brain scans of men and women exposed to lead during childhood shows residual damage less severe in females Rose Hoban | Washington, DC 18 December 2009 Ever since the ancient Roman era, people have known that lead, a heavy metal long used in paints,

发表于:2019-01-13 / 阅读(49) / 评论(0)

VOA标准英语2009年(十二月)

High Blood Pressure in Young Adults Could Lead to Heart Disease 青年时血压高能导致心脏病

VOA常速英语2014--High Blood Pressure in Young Adults Could Lead to Heart Disease 青年时血压高能导致心脏病 February is heart health month, and a new study that provides clues to young people about keeping their hearts healthy. The stud

发表于:2019-01-14 / 阅读(45) / 评论(0)

VOA标准英语2014年(二月)

Heart scans may lead to misdiagnosing

BEIJING, May 24 (Xinhuanet) -- CT scan, a widely used heart-imaging test, is likely to result in the over treatment for patients with heart disease, according to a study published online by the Archives of Internal Medicine on Monday. CT, which produ

发表于:2019-02-06 / 阅读(41) / 评论(0)

英语新闻

英语听力—环球英语 1116 Poisoned by Lead

Voice 1 Welcome to Spotlight. I'm Joshua Leo. Voice 2 And I'm Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 It was a medical mystery. In sever

发表于:2019-02-21 / 阅读(42) / 评论(0)

环球英语 Spotlight

英语听力—环球英语 1487 Poisoned by Lead

发表于:2019-03-15 / 阅读(210) / 评论(0)

环球英语 Spotlight

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atomic demolition munitions

attometers

bascules

bell gable

bimetallic thermostat

bone congenital malformation