单词：be toxic to many plants
单词：be toxic to many plants 相关文章
Plants vs. Insects 植物和昆虫 New research is shedding light on one of the longest running battles of all time -- the war between plants and insects. Plants may seem helpless, but they have complex chemical defenses. Plants vs. insects -- today on E
(科普英语)Earth and Sky
人类的许多药材资源都来自于植物，而根据种种事例显示，人类并非植物药材的唯一受益物种，许多动物也会寻找特定的植物来治疗自身伤病。 Infected monarch butterflies will lay their eggs on plants t
60秒科学
Studies that will be released today show that fish, birds and mammals in New England have significant amounts of mercury in their bodies. The studies find the toxic metal in some unexpected habitats and they suggest that power plants in the Midwest a
2009年NPR美国国家公共电台7月
Pre-Listening Vocabulary caffeine: a drug found in some plants, including coffee seeds and tea leaves pesticide: a substance that keeps insects or harmful materials away from a plant alert: awake and paying attention ward off: to keep away something
趣谈英语
今天我们要学的词是 curtail. Curtail 做为动词，有缩减的意思。Technology companies, who have traditionally adopted a hands-off policy, are now struggling to curtail online offensive speech. 传统上往往采取不干预政策的高科
英语单词荟萃
The Magic Powers of Indoor Plants Common indoor plants may prove to be a valuable weapon in the fight against rising levels of indoor air pollution. Those plants in your office or home are not only de
英语沙龙2004全年合辑上
US Sets Mercury Pollution Limits from Power Plants 美规定对发电厂进行汞污染限制 The United States government has ordered the country's coal-burning power plants to reduce mercury polluti
VOA2005（上）--环境科学探索
By Jeff Swicord Terre Haute, Indiana 24 May 2007 As part of our continuing series on Searching for Solutions, VOA traveled to Terre Haute, Indiana, to tour one of two so called clean coal electric generating plants in the United States. Clean coal te
2007年VOA标准英语（五月）
This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? In the insect world, bright reds, oranges and yellows can be a warning: Eat me at your own risk, pal. Because colorful bugs can be toxic, they often get their
Scientific American(七)月
Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the
Scientific American(十一)月
Many of our medicines originate in plants. But were not the only ones who tap into nature.Theres increasing evidence that some animals seek out specific plants for their medicinal qualities. A new study shows that monarch butterflies may be among the
Scientific American(十)月
In the wake of several serious chemical pollution incidents, China's Ministry of Environmental Protection says it will begin a nationwide inspection of all certified producers of dangerous chemicals of their pollution control measures. As Liu Yan rep
世界各地新闻集锦
Lawn enthusiasts love a lush, green carpet of grass, which is why they hate crabgrass. And now, they may have one more reason to despise the weed. Because crabgrass isn't just faster-growing than the rest of the lawn. It may actually be poisoning the
Scientific American(七)月
Lawn enthusiasts love a lush, green carpet of grass, which is why they hate crabgrass. And now they may have one more reason to despise the weed. Because crabgrass isn't just faster-growing than the rest of lawn. It may actually be poisoning the lawn
Scientific American(七)月
作为一株小小的或是大大的植物(矛盾吗?),被生长在厚厚的泥土之下的根所束缚着,只能眼睁睁地看着虫子、鸟儿啃食自己的叶子,啄食自己的果实?植物也有保护自己的方法哦,一起来看看吧 Plan
英语听力文摘 English Digest
GWEN IFILL:The Environmental Protection Agency unveiled new rules today to curb mercury emissions from the nation's power plants. The standards apply to roughly 600 coal- or oil-fueled power facilities. They will have to either reduce their emissions
PBS访谈环境系列
By Anjana Pasricha New Delhi 14 May 2006 Members of the environmental group Greenpeace display yellow signs reading
2006年VOA标准英语（五月）
Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康
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A FREIGHT train, its dozen cars loaded with coal covered in a light dusting of snow, snaked through the narrow valley, sometimes following the two-lane highway and sometimes crossing it. The valley was silent and snowy, and though it was two days int
经济学人综合
Topic 1-Personal information of Over 70% Netizens Leaked Latest figures show that personal information of over 70% of Chinese internet users has been leaked. Of course, this has affected their personal lives. The real-name registration of delivery se
英语角-圆桌会议