慢速英语:Disabilities in Old, Young Studied in Developing Nations

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2.affect vt.影响,妨害,感动,感染,感动

例句：The tax increases have affected us all.
      加税已经影响了我们所有的人。

      The threat of closure affected the workers' morale.
      工厂行将倒闭一事影响着工人的士气。
 
3.eyesight n.视力

例句：I have good eyesight.
      我的视力很好。

      Her eyesight grew so bad that she could hardly see.
      她的视力变得很糟, 几乎什么也看不见了。

4.gastrointestinal adj.[解]胃与肠的

5.breastfeed a.以母奶养育的

例句：If you are not planning on breastfeed, you have to decide on a formula.
      如果你不打算喂母奶，那麽你得决定选一种婴儿奶粉（水）。

6.supplement n.补充物,增刊,补充

例句：And as things stand now, that supplement is indispensable.
      今天看来可以说是不可缺少的补充。

      I take supplements regularly and do exercises every day.
      我经常服用补剂并每天锻炼。

这个词还有动词的意思：supplement vt. 补充,增补

例句：He supplements his regular meals by eating between meals.
      他在两餐之间吃点东西来补充他的正餐。

7.underweight adj.低于一般重量的;重量不足的

例句：The underweight child has begun to fill out after regular exercises.
      这个偏瘦的孩子在进行了一段有规律的锻炼后开始长壮了。

8.disability n.残疾, 伤残; 缺陷, 障碍

例句：She swims well despite her disabilities.
      尽管身体残疾, 她却是个游泳好手。