单词：richardson's thermionic effect
单词：richardson's thermionic effect 相关文章
[00:15.76]Devil's Point [00:23.29]恶魔的岬角 [00:35.01]Whatever it was couldn't be seen. [00:37.70]The effect of its movement on the environment [00:40.43]could be seen as well as heard. [00:42.69]On a couple of its passes we allowed it to get within
英语灵异故事
AS IT IS 2016-09-13 American Teenager's 'Domino' Artwork Goes Viral This is Whats Trending Today. A teenager from the northeast state of New Hampshire has one of the top trending YouTube videos this week. Lily Hevesh is known as Hevesh5 on YouTube. S
2016年VOA慢速英语(九)月
LONDON, July 13 (Xinhua) -- China's star hurdler Liu Xiang's back injury which forced him out of the London Diamond League finals is not serious, his long-time coach Sun Haiping said here on Friday. Liu Xiang felt a little uncomfortable in his back a
英语新闻
China's top legislator Wu Bangguo says the Central government fully recognizes the achievements of the Macao Special Administrative Region government. Speaking at the conference marking 20 years since Macao's Basic Law was declared, he said everythin
英闻天下
China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem
英闻天下
DAEGU, South Korea, Aug. 28 (Xinhua) -- The world's three fastest hurdlers safely advanced in the heats of the world championships here on Sunday, but the best time was made by U.S. rising star Jason Richardson in 13.19 seconds. China's Liu Xiang, th
英语新闻