More than 170 hectares were afforested, reducing water runoff from the hillsides.超过170公顷的土地已植有林木, 以减少雨水从山坡流下.At first the wooded hillsides muted the sounds.最初长满树木的山坡吸收了噪音。That forced peasant farmers to try to eke a livin...
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...
She gave a splendid rendition of the song.这首歌她唱得动听极了.This film will give prints better contrast and more accurate color rendition.这底片将使照片具有更好的明暗对比和更逼真的色彩....a dramatic rendition of selections from Dickens' A Christm...
这样可能会导致身体虚弱和肌肉萎缩。This can lead to bodily weakness and muscle wastage.牙龈萎缩可能是疾病导致的，也可能仅仅是错误的刷牙方式引起的。Receding gums can be the result of disease or simply incorrect brushing.这个部门因为预算削减而逐年萎缩。The department has been shrinking...