以空氣污染為主題的英語作文

以空氣污染為主題的英語作文

　　導(dǎo)語：排放的氣息，是烏云蓋天的狂歡;森林的驟減，是沙漠?dāng)U展的心愿;災(zāi)難的增多，是人們?cè)炀偷慕匐y。下面是yuwenmi小編為大家整理的優(yōu)秀英語作文，歡迎閱讀與借鑒，謝謝!

　　air pollution

　　Air pollution is the human introduction into the atmosphere of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or damages the natural environment. Air pollution causes deaths and respiratory disease. Air pollution is often identified with major stationary sources, but the greatest source of emissions is mobile sources, mainly automobiles. Gases such as carbon dioxide, which contribute to global warming, have recently gained recognition as pollutants by climate scientists, while they also recognize that carbon dioxide is essential for plant life through photosynthesis.

　　The atmosphere is a complex, dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as to the Earth's ecosystems.

　　【參考譯文】

　　空氣污染是人類引入化學(xué)物質(zhì)到大氣中,顆粒物,或生物材料對(duì)人類造成傷害或不適或其他生物體,或破壞自然環(huán)境。空氣污染導(dǎo)致的死亡和呼吸道疾病。空氣污染通常是與主要的固定污染源,但排放的`最大來源是移動(dòng)來源主要是汽車。氣體如二氧化碳,導(dǎo)致全球變暖,最近獲得了識(shí)別污染物的氣候科學(xué)家,同時(shí)他們也認(rèn)識(shí)到二氧化碳是植物通過光合作用所必需的。

　　大氣是一個(gè)復(fù)雜的、動(dòng)態(tài)的天然氣體系統(tǒng),以支持地球上的生命是至關(guān)重要的。平流層臭氧損耗由于空氣污染一直被認(rèn)為是威脅人類健康以及地球的生態(tài)系統(tǒng)。

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