But an artificial kidney developed by Los Angeles-based Xcorporeal can clean blood around the clock.
但是洛杉矶Xorporeal公司研制出的人工肾脏可以日夜不断的清理血液中的毒素。
But the newfound star pair is unique in that they don't swap matter as they spin, providing a "clean clock" to measure the effects of gravitational waves, Brown said.
但是这对新发现的双星非常独特，因为它们在旋转时没有发生物质交换，这就好像为我们提供了一台“准确的时钟”，使我们可以对引力波的效果进行测量，布朗说道。
Civil defense workers and local residents have been toiling around the clock to clean up muddy streets and search for survivors under piles of rubble.
民防组织的工作人员和当地居民夜以继日地工作去清洁泥泞的道路并搜寻碎石堆里的生还者。
Jim, you didn't clean up the house and it is 11 o 'clock now.
吉姆，你没有打扫房子，现在已经11点了。
Jim, you didn't clean up the house and it is 11 o 'clock now.
吉姆，你没有打扫房子，现在已经11点了。
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