空氣污染

空氣污染是中國當(dāng)前面臨的一個(gè)嚴(yán)重的環(huán)境問題。2012年以來，北京、上海、重慶、香港等多個(gè)城市被霧霾籠罩，在2013年的最后幾個(gè)月中，東部地區(qū)也受大霧天氣影響，多地能見度不到100米，空氣污染指數(shù)一度達(dá)到了危險(xiǎn)級(jí)別。霧霾天氣會(huì)對(duì)人們的健康和當(dāng)?shù)氐慕?jīng)濟(jì)發(fā)展造成極大影響。其中最令人擔(dān)憂的是PM2.5。造成霧霾的主要原因是工業(yè)化進(jìn)程的加速，極端低溫天氣與區(qū)域污染也使得空氣污染更為嚴(yán)重。

參考譯文：

Air pollution is a severe environmental problem that China is confronted with currently. Since 2012,smog hangs heavy over cities like Beijing, Shanghai, Chongqing and Hong Kong. During the last few months in 2013,the Easter?part of China was also hit by the heavy smog with a dropped visibility of less than 100 meters in some regions, where air pollution reached hazardous levels. Smog has great impact on people's health and the local economy. Of particular concern is PM2.5.The root cause of the smog is the acceleration of the industrialization, while the accompanied extreme low temperature and regional pollution also contribute to the worse pollution.

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詞句點(diǎn)撥：

1.?be confronted with 面臨，面對(duì)

2.?hang over 懸掛在…至上

3.?be hit by 遭受

4.?a dropped visibility 降低的可見度

5.?reach hazardous levels 達(dá)到危險(xiǎn)級(jí)別

6.?have great impact on?對(duì)…有極大影響

7.?contribute to 導(dǎo)致，引起

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