和谐英语

VOA慢速英语:Osteoporosis Increases Danger of Broken Bones

2010-08-31来源:和谐英语
1.swallow vt.vi.吞, 咽

例句:He swallowed without chewing.
      他未经咀嚼就把食物咽下。

      He put a grape into his mouth and swallowed it whole.
      他把一粒葡萄放入嘴里, 整个吞了下去。

2.worsen vt.vi.(使)变得更坏,(使)恶化

例句:I apprehend no worsening of the situation.
      我不担心局势会恶化。

3.decrease vt.vi.(使)缩短; 减小, 减少

例句:The traffic accidents in the city decreased last year.
      该城市去年交通事故减少了。

4.adolescent n.青少年

例句:The audience were mostly adolescents.
      听众几乎都是年轻人。

5.inject vt.(给…)注射(药物等)

例句:The doctor has injected him under the skin.
      医生已给他皮下注射了一针。

6.extend vt.延长; 扩展; 达到(某一点)

例句:France has greatly extended its influence in world affairs.
      在世界事务中, 法国的影响已大大地扩大了。

7.radiation n.辐射(能); 放射,放射线

例句:The sun, a lamp, or an electric heater all warm us by radiation.
      太阳、灯或电热器都可以通过辐射来温暖我们。

8.density n. 密集,稠密;密度,浓度