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This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. The Chesapeake Bay could get helped by a new antipollution expert: farmed oysters. For decades, the Chesapeake has been plagued by excess nutrients, such

发表于:2018-12-24 / 阅读(227) / 评论(0) 分类 Scientific American(一)月

beet, [bi:t] n 甜菜(其肥大的根和叶子可食用,一般肉质呈红色) 【记】bee蜜蜂。蜜蜂爱吃的菜-一定甜 【参】red beet 红甜菜(用于拌生菜);white beet 白甜菜(用于制糖)

发表于:2018-12-30 / 阅读(181) / 评论(0) 分类 不择手段背单词

AGRICULTURE REPORT - Fish Farming By Mario Ritter Broadcast: Tuesday, June 15, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Fish is an important food for many people. In s

发表于:2019-01-07 / 阅读(218) / 评论(0) 分类 农业与发展

By Matt Steinglass Hanoi 20 September 2006 Black bear cubs An animal rights organization has reached an agreement with Vietnam's government to build a bear sanctuary near Hanoi. The refuge will house bears rescued from farms where their bile is harv

发表于:2019-01-11 / 阅读(254) / 评论(0) 分类 2006年VOA标准英语(九月)

Half of all fish people eat worldwide now come from fish farms. So farms need to do more to keep up with demand. 现在全世界一半供人类食用的鱼来自养鱼场。因此,养鱼场需要采取更多办法以满足需求。 If we look to th

发表于:2019-01-20 / 阅读(201) / 评论(0) 分类 2016年Scientific American(八)月

AGRICULTURE REPORT - U.S. Seeks to Increase Ocean Fish Farming By Mario Ritter Broadcast: Tuesday, June 14, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Most fish farming invol

发表于:2019-01-30 / 阅读(284) / 评论(0) 分类 农业与发展

The price of fish 鱼类的价格 Different scales 不同种类有不同情况 Fish are getting more expensive, but they do not all move at the same speed 鱼类的价格一路走高,然而上升的幅度却各不相同。 Upwardly mobile 上浮的鱼

发表于:2019-02-17 / 阅读(243) / 评论(0) 分类 经济学人文艺系列