“地快乐”的英语可以翻译为：[化] dicryl ...

“愚人节快乐”的英语可以翻译为：Happy April Fools' Day!，Happy All Fools' Day!...

本文推导了逐事件快度间隔的起伏与逐事件快度关联的关系.The relation between event rapidity gap fluctuation and rapidity correlations is derived.光快很速,咱们的确没法想像它的快度,乐扣乐扣官方网.So fast does light travel that we can hardly imagine its speed.声响在火中的传布快度简直是在空...