1. He could predict their performance from the strength of the brain's electrical activity measured through the head.
    通过所测量到的他们头部脑电波活动的强度，他能够预测他们的成绩。

2. He needed someone whose face represented suffering yet strength, someone more severe than beautiful.
    他需要这样的一个女人：脸带沧桑却不失坚定，严肃之色多于艳丽。

3. Although many people assume that balance and movement problems are inevitable with age, an increasing body of evidence demonstrates that exercise can help improve balance and strength in elderly individuals and reduce their chance of falling.
    尽管许多人认为难以保持平衡和活动不便的问题随着衰老而不可避免，但越来越多的证据表明，运动有助于老年人增强平衡能力和增长力气，可减少他们摔跤的可能性。

4. "Exercise can help older adults improve strength, balance, the ability to bend, and prevents them from tiring as easily.
    "锻炼能帮助老年人增长力气，增强平衡和弯腰能力，防止过易疲劳。

5. "I sent ... my family ... home ... tonight ... didn't want ... them ... to see ..." Having spent her last ounce of strength she cannot go on, but I have understood what she has done.
    "今天……我让……家里人……都……回家……不想……他们……看见……" 她耗尽了最后的那点力气，再也说不下去了。但我已然明白她做了些什么。

6. Also, to prevent property damage, architects now design buildings so that the building's columns and horizontal beams are of equal strength, and vertical support columns are inserted deep into solid soil.
    同样，为了预防财产损失，建筑师如今设计楼房时会使房屋的支柱和横梁力度相等，而垂直支柱则深深插入坚实的地基中。

7. She remained in her ball dress without the strength to go to bed, sitting on a chair, with no fire.
    她依旧穿着舞会的礼服，没一点力气上床，呆呆地坐在椅子上，房间里没点一丝炉火。

8. So says Dr. Robert S. Eliot, author of a new book titled From Stress to Strength: How to Lighten Your Load and Save Your Life. He's a clinical professor of medicine at the University of Nebraska.
    内布拉斯加大学的临床医学教授、新书《从压力到力量：怎样减轻你的负担并拯救你的生命》的作者罗伯特·S·埃利奥特博士就是这样说的。

9. So we take some chimpanzees (黑猩猩), or if we really want some strength, some great apes (猿), do a bit of scientific engineering here and there, and we create some animals, which are made for the factory line.
    于是我们利用黑猩猩；如果需要能干力气活儿的，还可利用大猿猴；如果在它们身上哪个部位搞点科学工程，就可以创造出某种动物，让它们去装配线上干活吧。

10. She makes no attempt to swallow; there is just not enough strength.
    她没有用力去吞咽，因为她力气不够了。