| 1. | His figure bent earthwards with hard work .
因为工作辛苦，他已经弯腰驼背了。
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| 2. | Of the millio of rocks it throws out of orbit at each visit , some hurtle earthwards ? ? and have several times nearly wiped out life on earth
它每一次访问太阳系时，都从轨道上甩出上百万个岩块，其中一些飞向地球的方向? ?有几次几乎摧毁地球上的生命。
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| 3. | Of the millions of rocks it throws out of orbit at each visit , some hurtle earthwards ? ? and have several times nearly wiped out life on earth
它每一次访问太阳系时，都从轨道上甩出上百万个岩块，其中一些飞向地球的方向? ?有几次几乎摧毁地球上的生命。
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| 4. | However , the radio wave can then reflect back of the earth and become refracted again to return earthwards once more . this can sometimes occur a number of times with little attenuation but some fading
在雷达探测中可以利用此方法，初步确定雷达回波中哪个地区会出现陷获折射回波，为进一步分析从雷达回波反演大气层结提供了可能。
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| 5. | Quickly the trickle becomes a flood of glistening linseed oil as the beam sinks earthwards , taut and protesting , its creaks blending with the squeaking and rumbling of the grinding wheels and the occasional grunts and sighs of the camels
译文：随着大梁越压越低，缆索越绷越紧，大梁的嘎吱声，石磙的辘辘声，以及骆驼不时发出的咕噜咕噜的呼吸声和叹息声响成一片，榨出的油也很快地由涓滴细流变成了一股晶莹发亮、奔腾不止的洪流。
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