空氣污染即空氣中含有一種或多種污染物，其存在的量、性質及時間會傷害到人類、植物及動物的生命，損害財物、或干擾舒適的生活環(huán)境，如臭味的存在。換言之，只要是某一種物質其存在的量，性質及時間足夠對人類或其他生物、財物產生影響者，我們就可以稱其為空氣污染物;而其存在造成之現象，就是空氣污染。換言之，某些物質在空氣中不正常的增量就產生空氣污染的情形。

bruce:

There are so many environment problems in the world today. Do you think we can really solve them all or will destroy the world?

現在全球有太多環(huán)境問題.你覺得我們能解決所有的問題還是讓環(huán)境問題來順壞整個地球.

jack:

I hope that world leaders can get together and agree on a plan for action, but I doubt it`ll happen before it`s too late.

我希望領導人們能趁早聯合起來制定計劃，不要等為時已晚。

bruce:

We need to solve the problem of air pollution before we destroy the atmosphere. There`s lots of clean, modern technology, but companies in developed countries say it`s expensive. Developing countries put more emphasis on economic development than on envir

我們需要在大氣層被破壞以前解決空氣污染問題,這里有很多清潔的現代科技,但是發(fā)達國家的大公司們都說成本太高.發(fā)展中國家游吧精力集中在發(fā)展經濟上而不注重環(huán)境保護.

jack:

Everyone is looking at the issue in the short term, rather than the long term It`s the same with the destruction of the rainforests. Countries and companies just want the wood. They`re not thinking about the long- term damage to the forests. We should als

人們應該看得長遠點而不是只看短期利益.對熱帶雨林的破壞的情況也是一樣.國家和那些大公司們只要木材.就不考慮對森林的長期破壞.我們應該知道.森林也是世界上長千上萬個生命物種之一.