immemorial

Since time immemorial, the whale has been wreathed in mystery—and of course it almost predates time itself, having existed long before the land around which it swims.

自远古以来，鲸鱼一直被披上神秘的色彩--当然它们也的确几乎与时间一样古老，它们存在的时间比它们游过的陆地的历史还长。