单词：aerosols
n. a dispenser that holds a substance under pressure and that can release it as a fine spray (usually by means of a propellant gas)
aerosols的用法和样例：
例句
- Aerosols are present throughout the atmosphere.气溶胶存在于整个大气层。
- Atmospheric aerosols play a vital role in the process of acidic precipitation.大气气溶胶在酸性降水中的作用非常重要。
单词：aerosols 相关文章
WHITE HOUSE President Donald Trumps administration wants to shut down U.S. government radio stations that announce official time, a service in operation since World War II. WWV and WWVB in the state of Colorado and WWVH on the island of Kauai in the
VOA标准英语2018年(九月)
Passing Through Airport Security Roland: Why are you so nervous about flying? Natalie: Im not nervous about being in the air. Its going through security. I hear its a hassle and I dont want to end up being strip-searched. Roland: You wont be strip-se
2012年ESL之旅行交通购物
Passing Through Airport Security Roland: Why are you so nervous about flying? Natalie: Im not nervous about being in the air. Its going through security. I hear its a hassle and I dont want to end up being strip-searched. Roland: You wont be strip-se
2012年ESL之旅行交通购物
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
探索与发现2014年
[00:00.00Exersise 3 [00:02.98]Part A [00:05.72]You will hear a talk giving by a fire officer. [00:10.37]As you listen,answer Questions 1--10 by circling True or False. [00:18.13]You will hear the talk ONLY ONCE. [00:21.97]You now have 60 seconds to r
全国公共英语等级考试五级
14 环西太平洋的12个国家遭受沙尘暴侵袭 DATE=4-11-01 TITLE=SCIENCE REPORT - Asian Dust Storms BYLINE=George Grow （Start at 59
自然探索
Unit 9 Everybody Can Help the Environment Part I Warming up Tape-script: Part I 1. Buy fresh food that doesn't need a lot of packaging. 2. Try to buy organic fruit and vegetables from farmers who don't use chemicals. 3. Save as much water as possible
Step by Step2000
Let's start out with the airlines, because airlines can be measured, Richard, in so many different ways, by revenue, by market cap , miles flown by paying customers, and one more, number of people flo
商业报道2006年
ENVIRONMENT REPORT -August 30, 2002: Asian Brown Cloud By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. A United Nations study says a thick cloud of pollution covering southern Asia
健康与环境
By Heda Bayron Hong Kong 05 August 2007 An aerial view of the Siachen Glacier, northwest of Jammu, India U.S. scientists say clouds of man-made haze that blanket southern and eastern Asia are helping accelerate the melting of the Himalayan glaciers.
2007年VOA标准英语（八月）
Study: Upper-Atmosphere Particles Slow Pace of Global Warming A recent study finds tiny particles suspended high in Earths atmosphere are having a greater impact on global climate than previously believed. The airborne particles, known as aerosols, a
VOA标准英语2011年(八月)
In Argentina, the small city of San Luis is adopting the frog as its provincial hero. Frogs have been touted by some as the antidote to a dengue fever outbreak that's gripped Argentina. There have been over 20,000 cases recorded this year, including
自然百科2009年
Champagne Bubbles Key to Taste A study in the Proceedings of the National Academy of Sciences finds that champagne's bursting bubbles provide aromatic compounds that add to the taste. Adam Hinterthuer reports Lets raise a toast to champagne. And its
60秒科学
UN Report Links Infectious Disease Outbreak in Congo to Environment 联合国报道称刚果流行病毒爆发与环境有关 A United Nations' environment official Monday said the recent outbreak of
VOA2005（上）--环境科学探索
By Heda Bayron Hong Kong 02 August 2007 U.S. scientists say clouds of man-made haze that blanket southern and eastern Asia are helping accelerate the melting of the Himalayan glaciers. VOA's Heda Bayron reports from our Asia News Center in Hong Kong
2007年VOA标准英语（八月）
Despite pledges in the last year to fight pollution, Beijing saw barely any improvement in air quality in 2013. The Beijing Environmental Protection Bureau says the intensity of major air pollutants remained much the same in 2013 as they were in the
CCTV9英语新闻2014年01月
Ozone layer（臭氧层） 'is no longer disappearing and will return to full strength by 2048', says UN report. The ozone layer is no longer disappearing and could be back to full strength by the middle of this century, UN scientists have confirmed（
英语新闻
Step by Step 3000. Book Two. Unit 8. Everybody can help the environment. Part 1. Warming up. A. Keywords. organization, protect, conserve, environment, nature, campaign, movement, climate crisis, waste, climate change, NGO (non-governmental organizat
Step by Step 3000 第二册
Between the autumn of 1918 and spring of the following year, 548,452 people died of the flu in America. 1918年秋天到次年春天，美国有54842人死于流感。 The toll in Britain was 220,000, with similar numbers dead in France and Germany. 英
万物简史
The KT meteor had the additional advantage advantage if you are a mammal, that is that it landed in a shallow sea just ten meters deep, KT陨石还有一个优势那就是说，要是你是个哺乳动物的话，那是个优势它在只有10米深的浅
万物简史
