英语精品阅读：交通噪音

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　　Traffic noise can shorten your life, new research suggests. Having to endurerumbling1 lorries, honking2 horns and screeching3 tyres has been linked to shorter life expectancy4 and a higher risk of stroke.

　　一项新研究表明，交通噪音可能会让你的寿命缩短。长期忍受隆隆响的卡车声、哔哔的喇叭声、尖锐的轮胎声，容易缩短寿命，增加中风的风险。

　　People surrounded by daytime traffic noise louder than 60db were 4 per cent more likely to die than those where noise levels were 55db – roughly the level of a loud conversation.

　　The extra deaths mostly involved heart or artery5 disease - which could in turn be linked to raised blood pressure, sleep problems and stress brought on by noise, the scientists claim.

　　A total of 8.6 million living in London between 2003 and 2010 provided data for the study, reported in the European Heart Journal.

　　Lead scientist Dr Jaana Halonen, from the London School of Hygiene6 & Tropical Medicine, said: 'Road traffic noise has previously7 been associated with sleep problems and increased blood pressure, but our study is the first in the UK to show a link with deaths and strokes.'

　　In London, more than 1.6 million people are exposed to daytime road traffic noise louder than this threshold.

　　The study also found that adults living in areas with the noisiest daytime traffic were 5% more likely to be admitted to hospital for stroke than those from quieter neighbourhoods. For the elderly, this increase in risk rose to 9%.

　　【词汇解读】

　　1 rumbling

　　n. 隆隆声, 辘辘声 adj. 隆隆响的 动词rumble的现在分词

　　参考例句：

　　The earthquake began with a deep [low] rumbling sound. 地震开始时发出低沉的隆隆声。

　　The crane made rumbling sound. 吊车发出隆隆的响声。

　　2 honking

　　v.(使)发出雁叫似的声音，鸣(喇叭)，按(喇叭)( honk的现在分词 )

　　参考例句：

　　Cars zoomed helter-skelter, honking belligerently. 大街上来往车辆穿梭不停，喇叭声刺耳。 来自《简明英汉词典》

　　Flocks of honking geese flew past. 雁群嗷嗷地飞过。 来自《现代汉英综合大词典》

　　3 screeching

　　v.发出尖叫声( screech的现在分词 );发出粗而刺耳的声音;好叫

　　参考例句：

　　Monkeys were screeching in the trees. 猴子在树上吱吱地叫着。

　　the unedifying sight of the two party leaders screeching at each other 两党党魁狺狺对吠的讨厌情景

　　4 expectancy

　　n.期望，预期，(根据概率统计求得)预期数额

　　参考例句：

　　Japanese people have a very high life expectancy.日本人的平均寿命非常长。

　　The atomosphere of tense expectancy sobered everyone.这种期望的紧张气氛使每个人变得严肃起来。

　　5 artery

　　n.干线，要道;动脉

　　参考例句：

　　We couldn't feel the changes in the blood pressure within the artery.我们无法感觉到动脉血管内血压的变化。

　　The aorta is the largest artery in the body.主动脉是人体中的很大动脉。

　　6 hygiene

　　n.健康法，卫生学 (a.hygienic)

　　参考例句：

　　Their course of study includes elementary hygiene and medical theory.他们的课程包括基础卫生学和医疗知识。

　　He's going to give us a lecture on public hygiene.他要给我们作关于公共卫生方面的报告。

　　7 previously

　　adv.以前，先前(地)

　　参考例句：

　　The bicycle tyre blew out at a previously damaged point.自行车胎在以前损坏过的地方又爆开了。

　　Let me digress for a moment and explain what had happened previously.让我岔开一会儿，解释原先发生了什么。