单词：Sschsse's test
单词：Sschsse's test 相关文章
Have Scientists Discovered a Radio Space Shield? Space, it turns out, is not a very safe place for electronic devices. High-energy space particles can cause serious problems for satellites and electronic equipment, even on the Earths surface. These p
2017年VOA慢速英语(十一)月
Scientists have found that levels of a now-banned chemical are rising again in Earths atmosphere. The chemical is called CFC-11. It is the second most common kind of CFC, short for chlorofluorocarbon. Chlorofluorocarbons were once widely used in many
2018年VOA慢速英语(五)月
In 2017, European scientists plan to go on a very special space mission - landing on an asteroid. But why do they want to visit an asteroid and will there be space for Callum on the spacecraft?! 欧洲科学家计划于 2017 年进行一次航空任务 - 降落在小行
六分钟英语
By Phil Mercer Sydney 20 February 2008 Scientists say they have taken an array of new marine species from the seabed off eastern Antarctica. They are warning, though, that climate change could soon make extinct many of the strange creatures they have
VOA常速英语2008年（二月）
Italian scientists protest against jail sentence over 2009 earthquake ROME, Oct. 23 (Xinhua) -- The Italian scientific community on Tuesday contested a court verdict over the deadly 2009 quake in the central city of L'Aquila, saying it set a damaging
英语新闻
BEIJING, Feb. 14 (Xinhua) -- China welcomes more foreign experts to conduct all-around scientific cooperation with the country, and supports Chinese scientists in overcoming major international scientific issues, State Councilor Liu Yandong said Tues
英语新闻