Still on shaky ground, the Mexican gray Wolf, an endangered subspecies, is slowly increasing in number in Arizona and New Mexico, thanks to captive breeding.
在亚利桑那州和新墨西哥州，多亏实行了圈养繁殖，墨西哥狼这一濒临灭绝的亚种的数量正在缓慢地增长，虽然它们仍然前途未卜。
Still on shaky ground, the Mexican gray Wolf, an endangered subspecies, is slowly increasing in number in Arizona and New Mexico, thanks to captive breeding.
在亚利桑那州和新墨西哥州，多亏实行了圈养繁殖，墨西哥狼这一濒临灭绝的亚种的数量正在缓慢地增长，虽然它们仍然前途未卜。
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