单词：rigid designator
单词：rigid designator 相关文章
I sometimes drive to work in the morning. I get on the highway near my house at Exit 219, heading southbound toward downtown. The three-lane highway is often congested that time of morning, but I use the carpool lane that's reserved for cars with two
社会—In the Community
Where once only salt miners traveled, today, tourists track through tunnels hundreds of feet deep into the caverns of Zipaquir mountain in Colombia. Their destination, a Catholic cathedral carved from the mineral deposits of the old mine. More than 1
国家地理2007年
By Katherine Cole Washington 22 February 2008 Many acoustic bluegrass music fans are leary of the words contemporary and modern, preferring to listen only to songs that stick to the traditional style invented by Bill Monroe in the 1940s. These fans d
VOA常速英语2008年（二月）
A man was walking along the beach and found a bottle. He looked around and didn't see anyone so he opened it. A genie (妖怪）appeared and thanked the man for letting him out. The genie said, For your kindness I will grant you a wish,but only one -
趣味英语
我们今天要学的习惯用语都包括这样一个关键词汇，salt。 Salt这个词大家都熟，是盐。人们在生活中少不了它，一切活细胞也都需要它，人们意识到盐的重要性已经有好几个世纪了，所以由s
美国习惯用语
从柴米油盐说起 中国人用柴米油盐酱醋茶概括了生活所必须的点滴琐事，所以，一说起柴米油盐，说汉语的人头脑中第一印象就是过日子。 其实不只是中国人，全人类又何尝不是如此呢？不同
英文语法词汇