Study: Rats Pose Plague Risk in Croplands Efforts to boost food production in East Africa may increase the risk of plague. A new study says the conversion of natural lands into croplands in Tanzania has been accompanied by a large increase in the rod

发表于:2018-12-16 / 阅读(34) / 评论(0) 分类 VOA标准英语2015年(二月)

Pre-Listening Vocabulary accustomed to: used to tirelessly: without tiring; for long hours surge barrier: man-made protection built to keep the sea from flooding onto the land valve: a device that opens and shuts; changes the direction of fluid Nethe

发表于:2018-12-28 / 阅读(48) / 评论(0) 分类 趣谈英语

Drylands Vulnerable to Climate Change Researchers warn that the worlds drylands are being severely affected by climate change. They say that could harm the livelihoods and food security for billions of people. Scientists describe the projected effect

发表于:2019-01-03 / 阅读(48) / 评论(0) 分类 VOA标准英语2014年(十一月)

Farmers Urged to Throw Plow Away Since the dawn of agriculture, tilling the soil has been fundamental to farming. But today, experts say this age-old practice may do more harm than good, at least in some places. That's why they've been telling farmer

发表于:2019-01-13 / 阅读(63) / 评论(0) 分类 VOA标准英语2011年(十一月)

DAVID GREENE, HOST: One of the very first moves by the new Republican Congress was to make it easier to transfer ownership of federal public lands in the West over to states. And the state of Wyoming has become a flashpoint in this debate. Lawmakers

发表于:2019-01-16 / 阅读(53) / 评论(0) 分类 2017年NPR美国国家公共电台1月

今天我们要学的词组是plow into。Plow into,意思是大力撞击。 At least 13 people have died after a van plowed into pedestrians in the center of Barcelona on Aug 17th in what police said was a terrorist attack. 8月17日,一辆厢式货

发表于:2019-02-24 / 阅读(103) / 评论(0) 分类 英语单词荟萃