凯发k8官网-凯发k8天生赢家一触即发官网 > tag标签 > rock
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12-02-28 billy: mother, bobby broke a window. mother: how did he do it? billy: i threw a rock at him and he ducked. 比利:妈妈,波比打坏了窗玻璃。 妈妈:他怎么打的? 比利:我向他扔石头,他躲开了。...
11-06-23 a quick and easy way to detect groundwater in semi- arid(干旱的) hard rock areas that is also economical could improve the siting of borewells to improve clean water supply in the developing world. details of the approach are outlined in the inter...
11-05-30 scientists from finland and france have developed a new synchrotron(同步加速器) x-ray technique that may revolutionize the chemical analysis of rare materials like meteoric rock samples or fossils. the results have been published on 29 may 2011 in...
11-04-15 using eyes made of a calcium carbonate(碳酸钙) crystal, a simple mollusk(软体动物) may have evolved enough vision to spot potential predators, scientists say. the three-inch-long mollusks, called chitons(石鳖) , have hundreds of eye-like struc...
10-05-11 a 150-million-year old 'dinobird' fossil, long thought to contain nothing but fossilized bone and rock, has been hiding remnants(残余) of the animal's original chemistry, according to new research. the sensational(轰动的,使人感动的) discovery b...
10-03-04 a large space rock may have exploded over antarctica thousands of years ago, showering a large area with debris, according to new research. 一项新研究显示,数千年前,一大块太空岩石可能在南极洲上空爆炸,碎片散落在一大片区域。 the team's findings coul...
09-11-28 the italian edition of rolling stone has named prime minister silvio berlusconi its rock star of the year, paying tribute to his lifestyle worthy of the greatest rock star. 日前,意大利总理西尔维奥贝卢斯科尼被《滚石》杂志意大利版评为年度摇滚之星,因...
09-10-12 the hubble telescope has provided new insight on 2 pallas, one of the largest asteroids in the solar system. 哈勃望远镜提供了对2智神星太阳系中最大的小行星之一的最新观察资料。 ceres and vesta will be visited by the dawn mission in the next few years...
09-09-12 a piece of moon rock was given during a goodwill tour by the three apollo 11 astronauts. a moon rock given to the dutch prime minister by apollo 11 astronauts in 1969 has turned out to be a fake. a moon rock given to the dutch prime minister by apol...
09-08-14 les paul, whose pioneering electric guitars were used by a legion of rock stars, has died at the age of 94. les paul,电吉他演奏的先锋、摇滚歌星的御用吉他手逝世,享年94岁。 les paul's guitars were played by stars like sir paul mccartney mr paul died...