四级When muscles perform an activity they aren't regularly expose to, the tiny fibers that are inside them are being torn apart.

当肌肉进行他们不经常接触的活动时，它们内部的细小纤维被撕裂。

2019年12月四级真题（第一套）听力 Section C

六级Research now says adding fiber to the teen diet may help lower the risk of breast cancer.

现在的研究表明，在青少年饮食中添加纤维可能有助于降低患乳腺癌的风险。

2017年6月听力原文

四级When the body realizes the muscles are hurt, the response is to increase blood flow to the area and increase body heat, damaged cells are then cleaned up and the body sends cells specially designed to break down the large muscle fiber fragments.

当身体意识到肌肉受伤时，反应是增加流向该区域的血液流量，增加体温，然后清除受损细胞，身体发送专门设计的细胞，以分解大块肌肉纤维碎片。

2019年12月四级真题（第一套）听力 Section C

六级The bottom line here is the more fiber you eat, perhaps, a lower level of hormone in your body, and therefore, a lower lifetime risk of developing breast cancer.

这里的底线是你摄入的纤维越多，也许你体内的激素水平就越低，因此，一生中患乳腺癌的风险就越低。

2017年6月六级真题（第二套）听力 Section B

六级It turns out that those who consumed the highest levels of fiber during adolescence had a lower risk of developing breast cancer, compared to the women who ate the least fiber.

结果表明，与摄入最少纤维的女性相比，那些在青春期摄入最多纤维的女性患乳腺癌的风险更低。

2017年6月六级真题（第二套）听力 Section B

六级This important study demonstrates that the more fiber you eat during your high school years, the lower your risk is in developing breast cancer in later life.

这项重要的研究表明，你在高中期间摄入的纤维越多，你晚年患乳腺癌的风险就越低。

2017年6月六级真题（第二套）听力 Section B

六级Conversations about the benefits of fiber are probably more common in nursing homes than high schools.

关于纤维的益处的谈话在养老院可能比在高中更为常见。

2017年6月六级真题（第二套）听力 Section B

六级The finding points to longstanding evidence that fiber may reduce circulating female hormone levels, which could explain the reduced risk.

这一发现指出了长期以来的证据，即纤维可以降低循环中的女性激素水平，这可以解释降低风险的原因。

2017年6月六级真题（第二套）听力 Section B

六级That's why women are told to eat 25 grams a fiber a day—men even more.

这就是为什么女性每天要吃25克纤维，而男性则要吃得更多。

2017年6月六级真题（第二套）听力 Section B

考研The new man-made fibers are more hardwiring than natural fibers and greatly reduce mending, while good ready-made clothes are cheap and plentiful.

新型人造纤维比天然纤维更耐磨，大大减少了修补，而好的现成衣服又便宜又多。

1988年全国硕士研究生入学统一考试英语试题