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A cylindrical mass drilled vertically into the earth and removed from it to determine composition or presence of oil or gas.
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钻心圆柱形物质，用于垂直地钻入地下然后取出以测定石油或天然气的组成或存在 |
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A cylindrical surface or solid all of whose sections perpendicular to the elements are elliptical.
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椭圆柱与组成要素垂直的所有圆柱形表面或柱体的部分是椭圆形的柱体 |
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A cyprus tree touched with the genius of man becomes a shrine.
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柏树在天才的手中变成了殿堂。 |
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A cystoscopic examination revealed a hemangioma occupying most of the dome of the urinary bladder.
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其发生之病理原因仍不甚清楚，但可能与先天性或遗传有关。 |
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A dab of jelly.
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少量的果冻 |
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A dabbler in an art or a field of knowledge.
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浅薄的涉猎者在艺术或知识领域里的涉猎者 |
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A dabbler in an art or a field of knowledge.
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在这个夏日的黄昏戏水者云集于月湖。 |
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A dad is someone you look up to no matter how tall you are.
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我的父亲没有告诉我应该怎样生活；他只是以身作则，让我看到他怎样生活。 |
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A daddy longlegs spider is more venomous than a black widow, but it can open its mouth wide enough to bite a person.
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成年长腿蜘蛛的毒性比黑寡妇要大的多，它的嘴可以张大到足以咬住人。 |
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A daemon is a process that runs in the background.
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一个精灵是在后台作业运行的程序。 |
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A dagger is a sign used in printing to draw the reader's attention to something.
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剑号是印刷中的一种符号,用来引起读者对某一点的注意。 |
