华盛顿讯：小猫们在舔食清水或牛奶时如何将它们那快到人眼无法跟上的动作做到如此细致的秘密，已在本周被美国的科学家们揭露出来。

WASHINGTON: The secret of how cats lap water or milk with such elegance, a phenomenon that happens so fast it cannot be followed by human eyes, has been unveiled by U. S. scientists this week.