这是用来说明质量与能量的可互换性.It is used as an illustration of the interchangeability of mass and energy.断路器更换非常简单, 手车互换性好.The circuit breaker replacement is extremely simple, handcart interchangeability good.范围内提供更高的速度, 互换性和更长的寿命.Th...
尼罗河在此处变宽，从两块花岗岩巨石间穿过。Here the Nile broadens out between the huge granite boulders.阿斯旺水坝有助于控制埃及的尼罗河.The Aswan Dam helps to control the River Nile in Egypt.探险者在中非找到了尼罗河的几处源头.Explorers traced the Nile River to its several h...
Right from the start there was trouble with the Hubble.从最开始哈勃望远镜就有问题.Equipment problems penultimate space walk to repair the aging Hubble telescope.太空行走修复老化哈勃望远镜的仪器问题.The shuttle Endeavour will be taking the astronauts t...
We were carted off to the little town.我们被车送到那个小镇上.The police carted the prisoners off to prison.警察用武力把犯人抓进监狱.The police carted him off to jail.警察把他押到监狱....