雅思熱點(diǎn)詞匯：關(guān)于霧霾的地道搭配

關(guān)于霧霾的雅思詞匯及地道搭配：

be blanketed in smog 被霧霾籠罩

be enveloped in the choking and hazardous smog

visibility was reduced to less than 5 metres能見(jiàn)度減少到不到5米

in the worst hit places 霧霾最嚴(yán)重地區(qū)

air quality plummets in winter months 空氣質(zhì)量在冬季嚴(yán)重惡化

scale and severity of the smog was the worst in recent memory近期內(nèi)霧霾涉及范圍最廣，程度最嚴(yán)重 

霧霾形成原因：

coal burning, which releases large amounts of toxic gases(primarilly sulfur dioxide)燃煤會(huì)釋放大量有毒氣體（主要是二硫化物）

combine these airborne pollutants with unfavorable weather(heat, lack of wind) and you get smog.大氣污染物與不利天氣（如氣溫高，無(wú)風(fēng)天氣）就會(huì)形成霧霾

disperse the pollution （風(fēng)）吹散污染物

exhaust emissions from the massive numbers of cars 大量的車輛排放的尾氣

industrial pollution from the large concentration of steel and cement factories in the Yangtze River delta. 長(zhǎng)江三角洲附近的重工業(yè)企業(yè)排放工業(yè)廢料

霧霾的危害：

irritate your respiratory system 呼吸系統(tǒng)紊亂

lethal disease 致命疾病

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