微观侵袭的

Researchers Find Bright Side to Some Invasive Species Non-native species present threats to natural environments across the world by pushing out native organisms. Their presence can seriously damage ecosystems that provide clean water, food and other

发表于:2018-12-16 / 阅读(333) / 评论(0) 分类 2018年VOA慢速英语(十)月

Darwin's fabled isles, the Galapagos, are in need of a makeover. And removing invasive species of plants tops the to-do list for the islands restoration. But six species that were set to be exterminated have gotten a reprieve. Because a new study fin

发表于:2018-12-24 / 阅读(362) / 评论(0) 分类 Scientific American(十一)月

We've lost our dog. Luckily he has a tag around his collar and he is also microchipped. It's a smart idea to get your dog microchipped. The microchip is inserted under the skin of the animal. It is done at a veterinarian's office or an animal shelter

发表于:2018-12-28 / 阅读(438) / 评论(0) 分类 中级类英语听力

Invasive species get a bad rapbut we humans are usually to blame for their spread. Take Japanese stiltgrass, an invasive that arrived from Asia nearly 100 years ago as a packing material for porcelain. When it creeps into forests, it forms dense carp

发表于:2019-01-08 / 阅读(298) / 评论(0) 分类 Scientific American(八)月

RACHEL MARTIN, HOST: OK. We're switching gears now over to Berlin, where there is a strange invasion of Louisiana crayfish. The problem reportedly stems from some Berlin residents who bought the fish as pets, only later to dump them in public waters.

发表于:2019-01-11 / 阅读(327) / 评论(0) 分类 2018年NPR美国国家公共电台8月

By Melinda Smith Washington, DC 27 July 2006 watch Surgery report Having surgery used to mean the permanent memento of an ugly scar. But the trend in modern surgery is something called M.I.P., which stands for Minimally Invasive Procedure. There are

发表于:2019-01-12 / 阅读(338) / 评论(0) 分类 2006年VOA标准英语(七月)

Commerical fisherman Chad Isaak and a partner haul in a boatload of invasive Asian Carp, Jul 2010 The multi-billion-dollar commercial fishing industry in the Great Lakes region of the United States employs more than 800,000 people, but is threatened

发表于:2019-01-13 / 阅读(331) / 评论(0) 分类 VOA标准英语2010年(七)月

There's a good reason why people should be concerned about having a healthy environment containing lots of animal and plant species. A new study says the loss of biodiversity may make humans more vulnerable to infectious diseases. Biodiversity is one

发表于:2019-01-13 / 阅读(388) / 评论(0) 分类 VOA标准英语2010年(十二)月

Wasp Recruited to Fight Invasive Beetle 美用黄蜂对抗甲虫入侵 Scientists are pitting insects against insects in a battle to control an invasive species. U.S. Department of Agriculture researchers have released tiny parasitic wasps in forests

发表于:2019-01-14 / 阅读(325) / 评论(0) 分类 VOA标准英语2014年(七月)

Don: Today, on A Moment of Science, the Ocean's Most Wanted. Sure, they might seem innocent and downright lovely in your aquarium, but released into the wild, your plants and fish can knock aquatic ecosystems right out of balance. Today's invasive sp

发表于:2019-01-22 / 阅读(352) / 评论(0) 分类 英语时差8,16

By Carol Pearson Washington 11 October 2007 One third of the land in the United States belongs to the public. And once a year Americans get a chance to help make these public lands beautiful and healthy for generations to come. VOA's June Soh visited

发表于:2019-01-25 / 阅读(295) / 评论(0) 分类 2007年VOA常速英语(十月)

Lionfish are taking over coral reefs in the Caribbean and Atlantic. Here, Lad Akins catches one. In the waters of the Caribbean Sea, a voracious invasive species called the lionfish is threatening to overtake the reefs. Conservation groups are fighti

发表于:2019-01-31 / 阅读(304) / 评论(0) 分类 VOA标准英语2010年(七)月

SHANGHAI, Nov. 28 (Xinhua) -- The Shanghai municipal government Monday launched the microblog Shanghai City on China's popular Twitter-like microblogging service Weibo.com. The microblog, officially verified as originating from the Information Office

发表于:2019-02-01 / 阅读(415) / 评论(0) 分类 英语新闻

China shuts down 97,000 blog, microblog accounts in anti-porn campaign BEIJING, Sept. 28 (Xinhua) -- Chinese authorities have shut down about 97,000 blog and microblog accounts over the past seven months which are allegedly involved in dissemination

发表于:2019-02-02 / 阅读(431) / 评论(0) 分类 英语新闻

Okay, here it is. 好啦,就是这里啦。 The date is June 24th. 今天是六月二十四号。 I've found what I believe to be a cave. 我猜我发现的这是一个穴居。 Oh. This furniture looks handmade. 噢,这家具是手工制作的。

发表于:2019-02-08 / 阅读(341) / 评论(0) 分类 咱们裸熊

Qin (Dear friend), will you stay at home and go shopping online this weekend? Qinmen (dear friends), you should guard the safety of your online accounts and develop good habits. Weve summarized nine points of advice for you. Have a happy weekend onli

发表于:2019-02-13 / 阅读(426) / 评论(0) 分类 中英双语新闻

We are living in a micro era. After the massive popularity of micro blogs and micro novels, online micro films are growing bigger now. 我们生活在一个微时代。继微博和微小说广受欢迎之后,网络微电影风潮也在日趋壮大。

发表于:2019-02-14 / 阅读(478) / 评论(0) 分类 中英双语新闻

Science and technology 科学技术 Invasive species 入侵物种 Boom and bust 繁衍与湮灭 Invasive Argentine ants may be less persistent than once feared 入侵性阿根廷蚂蚁可能没有想象的那么可怕 Ready for take-off 随时准备离

发表于:2019-02-16 / 阅读(361) / 评论(0) 分类 经济学人科技系列

BEIJING, Feb. 1 (Xinhua) -- China's State Council, or the Cabinet, on Wednesday called for more efforts to support the sound development of small and micro-sized enterprises. Small and micro-sized firms serve as a significant channel for creating job

发表于:2019-02-18 / 阅读(409) / 评论(0) 分类 英语新闻

The Internet is linking entrepreneurs in the developing world with investors in industrial nations through sites that broker small people-to-people loans. These so-called microloans go to family-owned businesses in Africa, Asia and other areas. A $2

发表于:2019-02-18 / 阅读(471) / 评论(0) 分类 英语新闻
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approximativeness
area franchisee
average pore diameter
baculine argument
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