你对鸡蛋的了解有多少?

 　　BEIJING, Aug. 9 (Xinhuanet) --  There are three little-known effects about eggs, except its rich nutrition that is necessary for people.

　　First, eating eggs can brighten your eyes. Those who eat eggs every day have little risk for cataract¹ according to many researches.

　　What you do not know about eggs

　　Second, eating eggs make your hair grow faster. Every egg has 300 milligrams of choline in the yolk², which promotes hair growth.

　　Third, eating eggs can prevent breast cancer, because they are rich in vitamin D. Scientists discovered that women who eat about six eggs every week experience a decreased risk of 44 percent for breast cancer.

1 cataract   

n.大瀑布，奔流，洪水，白内障

参考例句：

• He is an elderly gentleman who had had a cataract operation.他是一位曾经动过白内障手术的老人。
• The way is blocked by the tall cataract.高悬的大瀑布挡住了去路。

2 yolk   

n.蛋黄，卵黄

参考例句：

• This dish would be more delicious with some yolk powder.加点蛋黄粉，这道菜就会更好吃。
• Egg yolk serves as the emulsifying agent in salad dressing.在色拉调味时，蛋黄能作为乳化剂。