英语新闻听写 提前一年发现乳腺癌（在线收听）

Researchers at University College London say they've found an early indicator 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 serum 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 molecules attached to a chunk of DNA 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。