标签：臭氧 相关文章

英语听力：探索发现 科学新发现：我们的大气层-20

As the balloons rise higer still,they face an attact by an invisible bombardment,radiation.Every day the Sun radiates a titanic amount of energy,some of them in the form of high energy of ultra violet rays.These rays packed a powerful punch ,and in t

发表于:2018-12-03 / 阅读(52) / 评论(0) 分类 探索与发现2014年

听一分钟英文：Ozone Layer-臭氧层

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2018-12-04 / 阅读(106) / 评论(0) 分类 听一分钟英文-O

双语趣听精彩世界 第38期:机场征收"呼吸税"是否合理

委内瑞拉最大的国际机场开始征收20美元的清洁空气呼吸税.据悉,机场内新安装了利用臭氧净化空气的空调系统,征收呼吸税是为了支付相应的成本.有人在社交媒体上吐槽,称该税收最后恐怕会沦

发表于:2019-01-01 / 阅读(73) / 评论(0) 分类 双语趣听精彩世界

英闻天下——42 China to Release Real-Time Air Quality Data

The government will issue real-time air quality monitoring data in 74 cities starting January 1st. The Ministry of Environmental Protection says the data will include PM2.5, a gauge which monitors fine particles with a diameter of 2.5 microns or less

发表于:2019-01-19 / 阅读(72) / 评论(0) 分类 英闻天下
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