U.S. officials say a cap on a damaged oil well in the Gulf of Mexico appears to have a small leak, but they say there are no plans to remove the cap from the well. Engineers are carefully studying the well for any evidence of problems. Engineers spot

发表于:2019-01-13 / 阅读(38) / 评论(0) 分类 VOA标准英语2010年(七)月

Niger Delta Communities Pressure Shell on 2011 Oil Spill YOUBEBE, NIGERIA Local leaders in the Niger Delta want to unite competing communities to pressure Shell Petroleum to pay billions of dollars in reparations and clean up of fishing areas they sa

发表于:2019-01-14 / 阅读(40) / 评论(0) 分类 VOA标准英语2014年(三月)

The device is a tiny sensor, implanted through a catheter in the heart's pulmonary artery. The procedure takes just seven minutes. The patient passes a wand over his chest, collecting data on heart pressure. That data is sent electronically to the do

发表于:2019-02-02 / 阅读(51) / 评论(0) 分类 VOA标准英语2010年(六)月

TORONTO, May 17 (Xinhua) -- The huge wildfire burning out of control around the Canadian oilsands town of Fort McMurray has approached some major oilsands facilities in the city's north, forcing more workers to flee for safety two weeks after a massi

发表于:2019-02-05 / 阅读(55) / 评论(0) 分类 cctv9英语新闻2016年

There would soon be an explosion; the kettle would be burst open. It is in this way that boiler explosions are often caused. When there is too much steam in a boiler, and it cannot get out, it presses against the sides of the boiler, until at last th

发表于:2019-02-07 / 阅读(81) / 评论(0) 分类 英国学生科学读本

assure vt.向(某人)保证 I can assure you that this is the best restaurant in town. 我向你保证,这是城里最棒的一家餐厅。 Sam wasn't able to assure her of his support. 山姆无法向她保证要支持她。 assurance n.保证;

发表于:2019-03-17 / 阅读(274) / 评论(0) 分类 赖世雄进阶英语词汇3500