This orbiting telescope is the largest optical instrument in space.这种轨道望远镜是宇宙中最大的光学仪器.Let's pretend we're on the spaceship orbiting round the earth!让我们假装是在沿轨道绕地球运转的宇宙飞船上!Twenty incoming flights were stacked up ...
工程师说钚可能会开始从遭腐蚀的潜艇往外渗透。Engineers said that plutonium could begin seeping from the corroded sub.危险的辐射物从钚放散出来.Dangerous emissions radiate from plutonium.钚也可以用来制成核武器.The plutonium also could be used, however, to make nuclear...
To liaise with embassies, trade boards, associations and publications.负责与大使馆, 贸易团体, 协会,其他公共团体的联络.He picked up forty of these publications and read each one of them.他从这些出版物中挑选了40本，逐一阅读。Copyright for the typographical arra...
要富集成矿只需保持长期的层间循环.Concentration of ore would simply require prolonged interstratal migration.这类矿床表现为一度广泛分散的物质非常高度地富集起来.Such deposits represent very great concentration of materials once widely dispersed.初步的化学分异使铀富集.Primar...
The hows and whys of this growing economic interdependence will unfold in the remaining chapters.经济上日益增长的这种相互依赖的方式及原因,将在其余各章中展开论述.By the same token,the everlasting interdependence is actually an everlasting love.正如，永远的依存...
由于可以收看到卫星转播的电视, 大多数伊朗人都知晓时事.With access to the satellite TV, most Iranians are well informed.但是伊朗人自己怎么看 呢 ?But how many Iranians see their regime that way?年轻的伊朗人可能会抱怨, 会穿着牛仔裤, 喝着可乐看着足球.Young Iranians may grumble, wear je...
His hobby is freefall parachuting.他的业余爱好是自由落体式跳伞。Parachuting is a dangerous occupation.跳伞是一项危险的消遣运动。A captain a group of soldiers were learning parachuting.一位指挥员领着他的军队联系跳伞....