单词：internal focussing telescope
单词：internal focussing telescope 相关文章
BUENOS AIRES, July 16 (Xinhua) -- Argentinean tennis star Juan Martin Del Potro, ranked 9th worldwide, said bringing home a medal from the London 2012 Olympic Games would be akin to scoring a Grand Slam win. In an interview with local daily Clarin Mo
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BBC Learning English People and Places Hany El Hamzawy William:Hello and welcome to People and Places the programme where you meet interesting people with interesting stories! My names William Kremer. Today, I thought wed practise some listening com
人与地方
THE HAGUE, Feb. 16 (Xinhua) -- Juan Martin Del Potro and Julien Benneteau qualified for the final of the ABN AMRO World Tennis Tournament on Saturday. Second seeded Del Potro beat Bulgarian Grigor Dimitrov 6-4, 6-4. The Argentinean did not suffer a s
英语新闻
U up to 起来,从事于,忙于;直到;该由…,轮到,胜任,适于 make use of 利用 put to use 使用,利用 use up 用完,花完 as usual 像往常一样,照例 V a variety of 种种,各种 join
考研英语
W ward off 防治,避开 warm up 变热 by the way 顺便提一下 by way of 经由,通过…方式 give way 让路,让步 in a way 在某点,在某种程度上 in no way 决不 in the way of 妨碍 i
考研英语