压力法

Bacteria Thrive on Ocean Plastic Debris It takes about six weeks for a plastic bag or bottle to ride the surface currents from the U.S. East Coast to the Sargasso Sea, in the center of the North Atlantic. The area is a gyre, essentially a big whirlpo

发表于:2019-01-14 / 阅读(48) / 评论(0) 分类 VOA标准英语2013年(七月)

Every year satellites are damaged or destroyed by objects orbiting the Earth's atmosphere. An Australian company is now using the latest laser technology to track these objects in order to reduce cosmic damage. Li Dong has the details. Even in space,

发表于:2019-01-19 / 阅读(64) / 评论(0) 分类 世界各地新闻集锦

By Nico Colombant Dakar 06 March 2008 Government troops were able to fight back a second rebel advance on Chad's capital recently, but as VOA's Nico Colombant and Tatiana Mossot report, residents of N'Djamena are finding life is not the same anymore.

发表于:2019-02-06 / 阅读(44) / 评论(0) 分类 VOA标准英语2008年(三月)

今天我们要学的词是debris。 Debris, 意思是残骸。 Pieces of debris from last year's Japanese tsunami, carried by the currents, have begun to show up on the west coast of the United States and Canada, 去年日本海啸留下的残骸在洋

发表于:2019-02-08 / 阅读(35) / 评论(0) 分类 英语单词荟萃

Debris from the Rena has reached beaches in the Coromandel. There are bags of milk powder, plastic and rope on the beaches and broken containers. The sea around the Rena is white from broken bags of milk powder. There is also oil for about 3km around

发表于:2019-02-17 / 阅读(45) / 评论(0) 分类 新西兰英语

CAIRO, Jan. 4 (Xinhua) -- The Egyptian police has found debris of the suspect of a church blast in New Year's Eve, Egyptian local media reported Tuesday. Criminal lab experts have collected the debris of a person whom they accused to be the perpetrat

发表于:2019-02-18 / 阅读(55) / 评论(0) 分类 英语新闻