Harmful chemicals from the cloud are mixing with rainfall. This acid rain damages crops and trees and threatens public health. Scientists are concerned that the pollution will intensify during the next thirty years as the population of Asia increases to an estimated 5,000 million people.
云中有害的化学物质跟雨混杂在一起彩成酸雨.它对庄稼和树木造成很大的破坏,同时也会给人类的健康带来威胁。科学家们担心,随着亚洲人口增长到估计的50亿之多,污染会在未来的30年内加剧。
CET4四级词汇:
vehicle 变通工具;车辆
acid rain 酸雨
imensify 变强;增强
sustainahle develnpment 可持续发展
CET4阅读单词短语考点:
Scientists are concerned that the pollutian wiLl intensify during the next thirty years as Lhe populatmn of Asia increases to an estimatedeve thousand million people.
科学家们担心,4随着亚洲人口增长到估计的50亿之多,污染会在未来的30年内加剧。
本句是一个由thac引导的宾语从句,其中are concerned的意思是关注于;担心。
介词酗引导一个原因状语a he populaLion of Asia increases.
an estimated fve thousand million people表原因。
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