正文
VOA慢速英语:Osteoporosis Increases Danger of Broken Bones
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
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