标签：fungus 相关文章
The little brown bat was once abundant in the eastern U.S. But within the last 15 years, a fungus called Pseudogynmoascus destructans infiltrated a cave in upstate New York. This fungus causes whats called white-nose syndrome in bats. The illness has
2016年Scientific American(十二)月
This is the VOA Special English Development Report. Indonesian women sell their harvest in a traditional floating market Before refrigerators were invented, the next best thing was an ice box. But another way to keep food fresh is to use an evaporat
VOA慢速英语2009年（十一）月
SCIENCE IN THE NEWS - Orchids Look Weak, But Many Are Stronger Than They Appear From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Christopher Cruise. And Im June Simms. Today we tell about the beauty and science of orchids
2013年VOA慢速英语(一)月
LULU GARCIA-NAVARRO, HOST: Now this Halloween story about bats and spirits - not spooky spirits. We're talking tequila. NPR's Neda Ulaby went to a Mexican bar in Washington, D.C., to research the connection between bats and booze. NEDA ULABY, BYLINE:
2017年NPR美国国家公共电台10月
Some of America's brightest students came to Washington for the 2011 Intel Science Talent Search, the nations oldest and most prestigious science competition. The awards ceremony was the culmination of an intense week during which the 40 finalists we
VOA双语新闻 2011年3月
Health Report - Rare Fungal Meningitis Outbreak in United States From VOA Learning English, this is the Health Report in Special English. Health officials in the United States are attempting to contact patients who recently received steroid injection
2012年VOA慢速英语(十)月
Like people around the world, Americans love a good bar of chocolate or anything containing the confection. But climate change and diseases are ravaging cocoa bean crops in many parts of the world, eroding production and raising prices of the essent
VOA标准英语2008年（六月）
Some of America's brightest students came to Washington for the 2011 Intel Science Talent Search, the nation's oldest and most prestigious science competition. The awards ceremony was the culmination of an intense week during which the 40 finalists w
VOA标准英语2011年(三月)
Cocoa Foundation Selects Researchers for US Study The scientists are from Costa Rica, Ghana, Vietnam, the Philippines and three from Cote dIvoire, the worlds largest producer of cocoa beans. While in the United States, theyll work with a mentor at re
VOA标准英语2012年(十二月)
Woodpecker s and Fungus 啄木鸟和真菌 W: Woodpecker s puncture the bark of dead or dying trees, also known as snags, to find the wood-boring insects that make up their diet, and some species also excavate cavities in these trees for their nests.
英语听力文摘 English Digest
Yael: I just read about an exciting technique. Researchers found a way to convert types A and B blood into type O blood--the type that can be transfused into any patient. This advance could help avoid blood shortages in the future. Don: Wow, that is
英语听力文摘 English Digest
Helping Latin America Protect Its Coffee Crops 帮助拉丁美洲保护咖啡作物 Its been said that given its caffeine content, coffee makes the world go round. If that isnt literally true, as a food crop coffee has a major influence on many count
VOA常速英语2013年(九月)
If you need another reason to kick the junk food habit this should do it. 如果你想要找一个理由让你戒掉垃圾食品，这条新闻可能会帮上忙。 A Utah man has unearthed a McDonald's hamburger he bought in 1999 - and the sandwich
名人演讲视频
Kenya, with nearly a quarter of its 38 million people facing severe hunger, is now reporting a rapid spread of diseases affecting the country's vital wheat and banana crops. The crisis is being exacerbated by plummeting public confidence in the coun
VOA标准英语2009年(三月)
Chronic Sinusitis 慢性鼻窦炎，亦称慢性化脓性鼻窦炎。常因急性化脓性鼻窦炎反复发作未能得到适当治疗所致。以多粘液或脓性鼻涕、鼻塞、头痛及嗅觉减退或消失为主要临床症状。现代西医学
英语听力文摘 English Digest
Captain Nemo didn't reply but signaled me to follow him to the main lounge. 尼摩船长并不答话，他对我做个手势，要我跟他到客厅中去。 The Nautilus sank a few meters beneath the waves, and the panels opened. 诺第留斯号潜入
《海底两万里》中英双语有声读物