exploration_and_extraction_有道手机词典

1.Objective: to study the method of laparoscopic bile duct exploration and extraction of bile duct stones.
目的：探讨腹腔镜下胆总管探查胆道取石的方法。
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2.Oil is particularly abundant in some regions of the world, but its exploration and extraction is expensive and not much easier.
石油是在世界一些地区特别丰富，但其勘探和开采是昂贵的，而不是更容易。
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3.A report in The Wall Street Journal Sunday showed that despite falling prices, investors are still eager to fund oil exploration and extraction efforts here in the U. S.
《华尔街日报》上周日指出，尽管油价不断下跌，投资者仍然很愿意为美国的石油勘探和精炼提供资金。
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