Black children and white children could not play together—something Allen periodically bringsup as "the stupidest thing I have ever heard".
黑人孩子和白人孩子不能在一起玩耍——艾伦时不时地提到这是“我听到的最愚蠢的事情”。
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We have been talking about how sea animals find their way underwater, how they navigate, and this bringsup an interesting puzzle, and one I'm sure you'll all enjoy.
Some of the solid material it bringsup may come from a so-called diamond-stability field, where conditions of pressure and temperature are conducive to the formation of diamonds.