Scientists Explore Underwater Volcanoes 科学家探索海底火山 What covers nearly 29 million square kilometers of this planet beneath the sea? The answer is seamounts. Seamounts are mountains, usually volcanoes, that rise up from the sea floor.

发表于:2019-01-12 / 阅读(65) / 评论(0) 分类 2016年VOA慢速英语(十)月

唐顿庄园第二季第五集_1 [INT. BATTLEFRONT TRENCHES - MORNING] [William finishes helping Matthew dress.] MATTHEW CRAWLEY Am I ready? WILLIAM Only you can answer that, sir. MATTHEW CRAWLEY They're going to chuck everything they've got at us. W

发表于:2019-01-28 / 阅读(42) / 评论(0) 分类 唐顿庄园第二季

When I was eight years old, I saw a movie about a mysterious island that had an erupting volcano and lush jungles filled with wild animals and cannibals. The island was ruled by a beautiful woman called Tondalaya, the Fire Goddess of the Volcano. It

发表于:2019-02-01 / 阅读(48) / 评论(0) 分类 阅读空间

By Yi Suli Murfreesboro, Arkansas 13 February 2007 watch Crater of Diamond report Each year thousands of visitors go to a small town in rural Arkansas in search of diamonds. The Crater Diamonds Park claims that it is the world's only diamond site wh

发表于:2019-02-04 / 阅读(87) / 评论(0) 分类 2007年VOA标准英语(二月)

On earth, most of the methane in the atmosphere has been belched by living organisms, 在地球上,大气中的大部分甲烷都是由活着的生物体喷出的, so finding the gas on Mars would be happy news for seekers after extraterrestrial

发表于:2019-02-16 / 阅读(38) / 评论(0) 分类 经济学人科技系列

Regardless of their source, any methane molecules in Mars's atmosphere would, on the basis of experiments on Earth, be expected to hang around for centuries. 不论它从何而来,根据地球的实验,火星大气中的任何甲烷分子将有望徘

发表于:2019-02-16 / 阅读(52) / 评论(0) 分类 经济学人科技系列