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美国有线新闻 CNN 历史上哪个国家活火山最多

What country has more historically active volcanoes than any other? 历史上哪个国家活火山最多? United States, Indonesia, Japan or Philippines? 美国、印尼、日本还是菲律宾? According to the U.S. Geological Survey, there are more

发表于:2018-12-20 / 阅读(42) / 评论(0)

CNN美国有线新闻2018年5月

2007-10-18, Molten Lava Lake - 熔岩湖

Called the hellhole of creation, the Afar Triangle lies at the junction of three continental plates which spread further each year. The oldest living lava lake and one of the lowest points on the planet. Geologists here can study the process that for

发表于:2018-12-30 / 阅读(115) / 评论(0)

国家地理2007年

美国国家公共电台 NPR Casting Directors On Broadway Seek To Unionize

ARI SHAPIRO, HOST: One of the ingredients a successful Broadway show needs is a talented cast. That starts with talented casting directors, the people who can see a Tony-winning star in the making, say, when a performer walks into an audition as a co

发表于:2019-01-16 / 阅读(57) / 评论(0)

2017年NPR美国国家公共电台9月

美国有线新闻 CNN 夏威夷火山持续喷发熔岩裂缝达10条

It's been five days since Hawaii's Kilauea volcano started erupting again, but a lot of the destruction is occurring miles from the mountain summit. This is all started Thursday on Hawaii's big island. Kilauea, which means both spewing and much sprea

发表于:2019-01-19 / 阅读(53) / 评论(0)

CNN美国有线新闻2018年7月

2018年CRI 3D printing of casting pattern leads the industrial transformation in Ningxia

There are more than 26 thousands casting companies in China, accounting for half of all the global manufacturers of casting products. But the traditional method of handmaking castings is heavily reliant on human resources and energy, and can produce

发表于:2019-01-19 / 阅读(79) / 评论(0)

2018CRI中国国际广播电台

英语听力：探索发现科学新发现：我们的大气层-9

We were left with this atmosphere made of molten rock and vaporous rock. It took millions of years for that atmosphere to fall out and to be replaced by an atmosphere made up of nitrogen and carbon dioxide and water vapour. These new gases came from

发表于:2019-01-23 / 阅读(39) / 评论(0)

探索与发现2014年

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