单词：airborne microorganisms
单词：airborne microorganisms 相关文章
There is no sign of a young boy who was thought to have been stuck in a home-made balloon that floated thousands of meters above the US state of Colorado. It's believed the boy got into the contraption in his backyard and it floated away with the six
澳洲ABC新闻快递2009年
Emerging Technologies 2005 MIT Technology Review , Technology Review, Inc. Distributed by Tribune Media Services International Of the numerous technologies now in development, MIT Technology Review ha
彭蒙惠英语
This is Scientific American's 60 Second Science. I'm Steve Mirsky, got a minute? The Meridiana Planum region of Mars once had water that was really soft and highly acidic, conditions in incredibly hostile to any life forms that we know about. So any
Scientific American(二)月
Don: Time to go again to the A Moment of Science mailbag. A listener writes: Dear Don Yal, I've been reading a lot about climate lately, and I know that the earth stores lots of carbon in different places, like in the ocean and in plants. Are there a
英语时差8，16
Are there any restriction about smoking on the bus? 汽车上有限制吸烟的规定吗？ No smoking whatsoever is allowed. 完全禁止吸烟。 I am very allergic to cigarette smoke. 我对香烟过敏。 Is it all right to smoke on the bus? 车上
旅游英语口语就该这么说
The ground here is permafrost, a mixture of soil and ice frozen together. A group of Russian scientists have teamed up with NASA to drill down into it in search of microorganisms. It's work that's bee
火星生命
He wears gloves and cleans his tools with alcohol to avoid contaminating the ancient salt samples with modern microorganisms.
寻访外星人
Melting Arctic Could be Major Source of Greenhouse Gases The melting arctic permafrost could release methane-producing microbes with the potential to accelerate climate change, according to a new study published in Nature. Lead author Janet Jansson,
VOA标准英语2011年(十一月)
New Antibiotic Found in Human Noses 研究人员在人类鼻子发现新抗生素 The search for new drugs to fight infections has led to a discovery in an unlikely place in peoples noses. What researchers found in noses is a compound called lugdunin
2016年VOA慢速英语(八)月
Lesson Fourteen 听力部分 Dictation: Please prepare your paper and pen. We keep ____ in the _________ to ______ its _______ and ___________. ________________ keep _________ and inhibit the _____ of most ______. However, ____ spoilage microorganism
王强口语 第二册
About 1500 years ago Chinese settled there, but the Dutch imperialist invaded there in the 17th century. After that, in 1662 Zheng Chenggong, a hero of nation,drove them out. Since 1683 the island was ruled by Qing Dynasty nearly two centuries. Unfor
英语作文
Doom da da di da di Doom da da di da di Everybody's gonna love today,每个人都会喜欢今天， Gonna love today, gonna love today,今天要爱，要爱今天， Everybody's gonna love today, gonna love today每个人都会喜欢的今天，热爱今
听歌学英语
藻类Algae 两栖动物Amphibians 动物习性Animalbehaviour 动物资源Animalresources 节肢动物Arthropods 生物多样性Biologicaldiversity 生物资源Biologicalresources 生物圈保护区Bi
英文语法词汇
According to the latest research, vehicles, coal-burning, airborne dust and industrial production account for 85 to 90-percent of the major airborne pollution sources in most Chinese cities. Vehicles are the biggest polluters in Beijing, Hangzhou, Gu
英语新闻
A California company that makes unmanned drone aircraft for the U.S. military has unveiled a tiny flying drone that looks like a hummingbird(蜂鸟). The airborne spy is part of a new kind of military technology that also has civilian uses. Several y
英语新闻
be allergic to 对过敏，厌恶 I am allergic to seafood. 我对海鲜过敏。 Mike was allergic to housework. 麦克很讨厌做家务。
愉悦口语
雾霾 haze; 烟雾 smog; 空气污染指数 air pollution index; 橙色预警 orange alert; 悬浮颗粒物 airborne particulate matter; 可吸入颗粒物 inhalable particle; 有毒物质 toxic substance; 空气质量检测 air quality monitoring; 实
雅思英语
本期内容： Earthquakes wrought havoc in Ecuador, killing more than 200, and Japan, where at least 41 died and 11 were missing. Hundreds were injured in both countries. In Japan, 180,000 people are in temporary shelters and 300,000 homes are with
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