(单词翻译:单击)
听力文本
Breastfeeding can help reduce the risk of an aggressive type of breast cancer and also cut diabetes risk, according to two new studies.
根据两项最新的研究，母乳喂养有助于降低患威胁性乳腺癌和糖尿病的风险。
The benefits babies receive from breastfeeding have long been touted. And now two recent studies show breastfeeding has positive effects for mothers, too.
母乳喂养对婴儿的好处一直以来备受青睐。最近的一项研究表明，母乳喂养对母亲也有积极的影响。
Researchers found that mothers who breastfeed reduce their risk of a particularly aggressive type of breast cancer by 20 percent.
研究人员发现，母乳喂养的母亲患威胁性乳腺癌的几率降低了百分之二十。
The cancer — hormone receptor negative tumors — is most common in African-Americans and young women.
此类癌症--激素受体阴性肿瘤--在非裔美国人和年轻女性中最为常见。
Dr. Marisa Weiss, the senior author of the study, put it in layman's terms: "The breast gland is immature and unable to do its job — which is to make milk — until it goes through ... a full-term pregnancy." Breastfeeding causes changes in milk duct cells to occur, making the breast more resistant to cancer.
资深研究者玛丽莎博士用通俗的话讲：“乳腺发育尚不成熟，还不能分泌乳汁，直到经过足月妊娠。”母乳喂养会使乳管细胞发生变化，使乳房更有利于抵抗癌症。
In addition to helping prevent cancer, another study says breastfeeding helps kick women's metabolism back into high gear and may help prevent diabetes long-term for women who had gestational diabetes.
除了帮助预防癌症，另一项研究指出，母乳喂养有助于妇女的新陈代谢恢复到高水平，并有助于患妊娠糖尿病的女性预防糖尿病的发生。
Dr. Eleanor Bimla Schwarz told the New York Times breastfeeding is a win-win for mothers and babies. And it's something women can be proactive about when it comes to eradicating breast cancer. Schwarz said "near-universal" breastfeeding could help eliminate almost 5,000 breast cancer diagnoses a year.
埃利诺·施瓦茨博士告诉纽约时报，母乳喂养对母亲和孩子都是有益的。这对女性根除乳腺癌是具有积极性的。施瓦茨说：普遍性的母乳喂养一年能消除近5，000名乳腺癌诊断。
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词汇解析
1、aggressive
好斗的；挑衅的
Some children are much more aggressive than others.
一些孩子比其他孩子更好斗。
These fish are very aggressive.
这些鱼极具攻击性。
有闯劲的；积极进取的
He is respected as a very aggressive and competitive executive.
他是一位锐意进取、竞争意识很强的主管，颇受尊敬。
The Zambian game is much more aggressive than European soccer.
赞比亚的这种运动比欧式足球要激烈得多。
2、positive
抱有希望的；有信心的；积极的
Be positive about your future and get on with living a normal life.
要对自己的未来充满信心，继续过一种正常的生活。
Her husband became much more positive and was soon back in full-time employment.
她丈夫自信大增，不久便重新开始全职工作。
愉悦的；有益的
The parting from his sister had a positive effect on John.
和姐姐分开对约翰来说有好处。
Working abroad should be an exciting and positive experience for all concerned.
在海外工作对所有相关人员来说都应该是一段让人兴奋而愉快的经历。
明确的；果断的
There are positive changes that should be implemented in the rearing of animals.
应该对动物饲养进行明确的改革。
He was expected to make a very positive contribution to the 1996 Games organisation.
人们期待他为1996年奥运会的组织做出积极的贡献。
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