Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/4030862dc354fb6b7b97e4cecf2b774e.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 ursus arctos horribilis是什么意思，ursus arctos horribilis的翻译，ursus arctos horribilis音标、读音、用法和例句_绍翊字体网有道词典
But competitors though they may be, grizzly bears (being of the brown bear subspecies Ursus arctos horribilis) are such close relatives that the two species can produce fertile offspring. 尽管是竞争对手，但灰熊是近亲，这两个物种很可能会产生后代。