慢速英语:Osteoporosis Increases Danger of Broken Bones
日期:2010-08-31
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。