英语新闻听写 提前一年发现乳腺癌

Researchers at University College London say they've found an early indicator¹ of fatal breast cancer.

伦敦大学学院的研究人员称，他们发现了一种致命乳腺癌的早期指标。

They say the development could help doctors make diagnoses one year earlier - even before mammograms - than current screening methods for the disease.

他们说，与当前的疾病筛查方法相比，这种发展可以帮助医生早一年，甚至在乳房x光检查之前，诊断出这种疾病。

Researchers used blood serum² samples from almost 1,000 women.

研究人员使用了近1000名女性的血清样本。

They looked for the presence of carbon and hydrogen molecules³ attached to a chunk⁴ of DNA⁵ called EFC#93.

他们研究了名为efc# 93的DNA块上是否有碳和氢分子附着。

The method helped to identify cancer in 43 percent of women who were diagnosed six months later.

6个月后确诊的女性中，43%都是由这个方法帮助发现癌症的。

The presence of those attached molecules is an indicator that a person's cancer is likely to be fatal.

这些附着分子的存在表明一个人的癌症很可能是致命的。

1 indicator   

n.指标；指示物，指示者；指示器

参考例句：

• Gold prices are often seen as an indicator of inflation.黃金价格常常被看作是通货膨胀的指标。
• His left-hand indicator is flashing.他左手边的转向灯正在闪亮。

2 serum   

n.浆液，血清，乳浆

参考例句：

• The serum is available to the general public.一般公众均可获得血清。
• Untreated serum contains a set of 11 proteins called complement.未经处理的血清含有一组蛋白质，共11种，称为补体。

3 molecules   

分子( molecule的名词复数 )

参考例句：

• The structure of molecules can be seen under an electron microscope. 分子的结构可在电子显微镜下观察到。
• Inside the reactor the large molecules are cracked into smaller molecules. 在反应堆里，大分子裂变为小分子。

4 chunk   

n.厚片，大块，相当大的部分（数量）

参考例句：

• They had to be careful of floating chunks of ice.他们必须当心大块浮冰。
• The company owns a chunk of farmland near Gatwick Airport.该公司拥有盖特威克机场周边的大片农田。

5 DNA   

(缩)deoxyribonucleic acid 脱氧核糖核酸

参考例句：

• DNA is stored in the nucleus of a cell.脱氧核糖核酸储存于细胞的细胞核里。
• Gene mutations are alterations in the DNA code.基因突变是指DNA密码的改变。