1、 But these waterways seem minute in comparison to the world's two lengthiest rivers—the Nile and the Amazon.
但与世界上两条最长的尼罗河和亚马逊河相比，这几条水道显得微不足道。
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2、 But pity doctors complex surgery can go on for hours longer than that, although the lengthiest operations tend to be Shared by more than one team.
但是，对于医生而言，复杂的外科手术有时会超过12小时，虽然时间最长的手术往往由不止一个团队分担。
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