1. But the ratio is even greater among active women, affecting up to 80 percent of female endurance athletes.
    而这一比例在积极锻炼的妇女中数值更高，女耐力运动员中缺铁的则高达80%。

2. When surveyors ask U.S. female high-school students what they are going to do when they graduate, they list all kinds of roles they want to fill, like doctors, lawyers, engineers, accountants, civil servants, police and firemen, and fighter pilots.
    当调查人员询问美国女中学生们毕业后打算做什么时，她们列出了各种各样她们所喜欢做的工作，如当医生、律师、工程师、会计、文职官员、警察、消防员以及战斗机驾驶员。

3. That is a female dog.
    那是一只母狗.

4. The tobacco industry, coupled with Hollywood movies in which both male and female heroes smoked like chimneys, completely won over people like my father, who were hopelessly hooked by cigarettes.
    烟草业，再加上好来坞电影——影 片中的男女主角都是老烟鬼——把像我父亲那样的人完完全全争取了过去, 他们无可救药地抽烟上了瘾。

5. Heterosexual(异性之间的) spreading is low, but there is danger that the spread of AIDS from male(男性) IV-drug users to their female(女性) partners could increase the appearance of AIDS in the heterosexual population.
    异性之间传播可能性不大，但艾滋病从男性静脉注射吸毒者传播到他们的女性伴侣，则有可能提高异性恋者艾滋病的发病率。

6. He put the combined cell — then a newly growing embryo — into a grown female sheep.
    他把结合后的细胞——此时已是一个重新生长的细胞——植入一只成熟母羊的体内。

7. He implanted 29 of those into female sheep. Only one adult gave birth to a lamb.
    他将其中29个植入母羊体内，只有一只成年羊分娩了羊羔。

8. A mule is a hybrid of a male donkey and a female horse.
    骡子是公驴和母马交配而生的杂种动物.

9. A recent survey showed that American men thought Susan to be the most attractive female name, while women believed Richard and David were the most attractive for men.
    最新调查表明：美国男人认为苏珊是最有吸引力的女性名字，而女人则认为里查德和戴维是男人中最有吸引力的名字。

10. Much of the advertising of this year's return to heels as high as 6 inches focuses on the shoes and the short skirts that go with them as a statement by women of their sexiness and female charm.
    许多为今年重新流行高达6英寸的高跟鞋所作的广告把重点放在显示女人的性感和女性魅力的鞋子、以及与之相配的短裙上面。