时间:2018-12-24 作者:英语课 分类:Scientific American(五)月


英语课

This is Scientific American’s 60-Second Science. I’m Steve Mirsky. Got a minute?


Bad blood pressure and cholesterol 1 numbers are predictors for future health problems. You won’t definitely have a heart attack, for example, but your risk is higher. Now researchers have developed a similar-style early warning system for the public health of an entire region. They found that an analysis of particular environmental conditions helps predict the risk of an outbreak of the deadly disease cholera 2. The work is in the American Journal of Tropical Medicine and Hygiene 3.


The scientists did a kind of retrospective clinical study, in which they analyzed 4 years of both disease and environmental data from the Zanzibar archipelago, and they discovered that in areas already at-risk a one-degree Celsius 5 increase in temperature over the average monthly minimum was associated with a doubling of the cholera cases within the next four months. A 200-millimeter increase in the monthly rainfall total also went along with a big rise in cholera cases within two months.


Cholera bacteria thrive in warm water where sanitation 6 is poor. So the hotter, wetter conditions are just what the doctor did not order. The researchers hope that monitoring the environment can help communities prepare better for cholera outbreaks.


Thanks for the minute. For Scientific American’s 60-Second Science, I’m Steve Mirsky.



1 cholesterol
n.(U)胆固醇
  • There is cholesterol in the cell of body.人体细胞里有胆固醇。
  • They are determining the serum-protein and cholesterol levels.他们正在测定血清蛋白和胆固醇的浓度。
2 cholera
n.霍乱
  • The cholera outbreak has been contained.霍乱的发生已被控制住了。
  • Cholera spread like wildfire through the camps.霍乱在营地里迅速传播。
3 hygiene
n.健康法,卫生学 (a.hygienic)
  • Their course of study includes elementary hygiene and medical theory.他们的课程包括基础卫生学和医疗知识。
  • He's going to give us a lecture on public hygiene.他要给我们作关于公共卫生方面的报告。
4 analyzed
v.分析( analyze的过去式和过去分词 );分解;解释;对…进行心理分析
  • The doctors analyzed the blood sample for anemia. 医生们分析了贫血的血样。 来自《简明英汉词典》
  • The young man did not analyze the process of his captivation and enrapturement, for love to him was a mystery and could not be analyzed. 这年轻人没有分析自己蛊惑著迷的过程,因为对他来说,爱是个不可分析的迷。 来自《简明英汉词典》
5 Celsius
adj.摄氏温度计的,摄氏的
  • The temperature tonight will fall to seven degrees Celsius.今晚气温将下降到七摄氏度。
  • The maximum temperature in July may be 36 degrees Celsius.七月份最高温度可能达到36摄氏度。
6 sanitation
n.公共卫生,环境卫生,卫生设备
  • The location is exceptionally poor,viewed from the sanitation point.从卫生角度来看,这个地段非常糟糕。
  • Many illnesses are the result,f inadequate sanitation.许多疾病都来源于不健全的卫生设施。
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