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一种危害大麻哈鱼的病毒在缅因州东北部迅速传播

72 一种危害大麻哈鱼的病毒在缅因州东北部迅速传播 ENVIRONMENT REPORT- September 28, 2001: Virus Killing SalmonBy Cynthia Kirk （Start at 1'01

发表于:2018-12-09 / 阅读(25) / 评论(0)

自然探索

VOA标准英语2014--鱼养殖场需加倍投入以满足全球不断增长的需求

Farm-Raised Fish Must Double to Meet Growing Global Demand 鱼养殖场需加倍投入以满足全球不断增长的需求 IMPERIAL, CALIFORNIA As the world population grows, there is a growing need for more food - including seafood. By 2030, the Wor

发表于:2018-12-16 / 阅读(24) / 评论(0)

VOA标准英语2014年(六月)

VOA慢速英语 2008 0122a

This is the VOA Special English Agriculture Report. A study from Canada says fish farms are a threat to some populations of wild salmon. It says the danger is from sea lice, which are small organisms that feed on fish. The researchers say these para

发表于:2019-01-11 / 阅读(47) / 评论(0)

VOA慢速英语2008年（一）月

Fish Farms May Soon Supply More Than Half the World's Catch

This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Traditional fisheries may no longer be the world's most important provider of fish. A new United Nations report shows that fish farming or aquacultur

发表于:2019-01-12 / 阅读(73) / 评论(0)

2011年VOA慢速英语(二)月

60秒科学:Wind Farmers Go To School On Fish

Wind Farmers Go To School On Fish Designing wind farms with close packing of turbines, based on schooling fish, could greatly increase efficiency, say researchers at a meeting of the Division of Fluid Dynamics of the American Physical Society. Cynthi

发表于:2019-01-30 / 阅读(95) / 评论(0)

60秒科学

英语听力—环球英语 1081 Forests in the Philippines

Voice 1 Welcome to Spotlight. I'm Liz Waid. Voice 2 And I'm Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 What do you think of when you thin

发表于:2019-03-04 / 阅读(114) / 评论(0)

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单词：simply-ordered set

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