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(63) / 评论(0) 分类 CNN美国有线新闻2018年5月

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(169) / 评论(0) 分类 国家地理2007年

But despite the Mongol's attempts to master siege warfare, the Chinese were still much more advanced in their military technology. They responded by filling bombs with crude oil, molten metal, chemica

发表于:2019-01-02 / 阅读(83) / 评论(0) 分类 成吉思汗

研究显示太阳能发电站使用熔融金属可能造价更为低廉 While water circulates in this scale model of a concentrated solar power plant, a full-size plant uses molten salt. 水在这种规模的太阳能集中发电厂循环时,这座实

发表于:2019-01-14 / 阅读(70) / 评论(0) 分类 VOA标准英语2016年(三月)

Study: Running Sun Power Plant With Molten Metal May Be Cheaper 研究显示太阳电站运行或拉低熔融金属价格 Power plants that work with concentrated solar power use special molten salt to convert the suns heat into steam which turns the

发表于:2019-01-14 / 阅读(60) / 评论(0) 分类 VOA标准英语2016年(三月)

如果随便翻阅雅思阅读真题,我们常常会发现它涉及的词汇广度难度绝对不容小觑,甚至出现在GRE红宝书里的超强词汇也会频频亮相。于是,不少同学在初识雅思时都会产生畏难情绪,滋生出

发表于:2019-01-17 / 阅读(119) / 评论(0) 分类 实用英语

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(78) / 评论(0) 分类 CNN美国有线新闻2018年7月

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(63) / 评论(0) 分类 探索与发现2014年

Serious produce server Neser Balwich directs from the front seat while aerial cameraman Mike Calen controls the camera attached to the lows. Above 10,000 feet, the pilot must breathe oxygen through a passed tool beneath the nostrils. Approaching the

发表于:2019-02-15 / 阅读(124) / 评论(0) 分类 自然百科2012年

Like Mercury, the earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads. Fortunately, the earth is protected from this radiation by

发表于:2019-02-15 / 阅读(189) / 评论(0) 分类 自然百科2012年

Taking a Volcanos Temperature 火山喷发(volcanic eruption)是一种奇特的地质现象,是地壳运动的一种表现形式,也是地球内部热能在地表的一种最强烈的显示。是岩浆等喷出物在短时间内从火山口向地

发表于:2019-02-24 / 阅读(59) / 评论(0) 分类 英语听力文摘 English Digest