Block and tackle: Combination of pulleys with rope or cable, commonly used to augment pulling force.滑轮和滑车组: 带绳索和缆绳的滑轮组, 通常用于增大拉力.Levers and pulleys are simple machines.杠杆和滑轮是简单机械.Among them were rickshaw pulleys, peddler...
Below us you could glimpse the rooftops of a few small villages.我们可以瞥见脚下一些小村庄的屋顶。From the hill we looked out over the rooftops of Athens.我们从山上眺望雅典建筑的顶部。The army lifted people off rooftops where they had climbed to escape...
在古代，狗也与治病有关。Dogs were also associated with healing in the ancient world.他们认为古代希腊罗马是知识的重要发源地。They believed ancient Greece and Rome were vital sources of learning.铅是早在古代就已知的金属之一。Lead was one of the metals known to the anci...
Pentagon spokes-man Williams says those talks are coming along quite well.五角大楼发言人威廉斯说那些会谈进展得相当顺利。A group of people made a circle around the Pentagon.一群人在五角大楼四周围成一圈。The Pentagon says bad weather is hampering the allied ai...
He was a tall, thin man with grey hair.他是个瘦高个，头发灰白。Lovett was a tall, commanding man with a waxed gray mustache.洛维特是个威严的高个男人，蓄着灰白的八字胡。The windows overlooked a lawn of tall waving grass.窗户外边是一块草地，高高的草随风摇摆。...
他们刚离开，扛着步枪的士兵们就到了。Scarcely had they left before soldiers arrived armed with rifles.手持步枪的海军陆战队士兵监视着他们。Marines with rifles guarded them.猎人射击时握住步枪的枪托.Hunters hold their rifles by the stock when shooting....