| The prairies of North America. This rich pasture once supported the greatest herds ever seen on our planet. There were once 60 million bison but no animal is immune to intensive hunting by man or the destruction of its habitat and a century ago the bison were reduced to barely 1,000. Now, thanks to rigorous protection, the species is recovering. The growing season is long and the grass here can support herds all year round. Male bison weigh in at one tonne. In high summer the bulls are fat from the rich grazing and in prime condition but only a few will mate. Exactly which few is about to be decided. | |
| 这里是北美大草原。在这片草原上曾经有地球上最大的野生兽群。这里一度有6000万头美洲野牛，但任何动物都无法承受滥捕滥杀和栖息地被毁的恶果。100年前，野牛的数量只剩不到1000只。由于强有力的保护措施，现在这个物种又开始恢复生机了。这里的草长期生长，动物一年到头在这里都有食物可吃。充足的食物使雄野牛的体重可达到1吨。在盛夏季节，丰富的草食和生活条件让公牛变得很肥壮，但只有少数能够有交配的权力。哪些雄性有权交配在时间不长的角斗中很快就会决定出来。 |
| The prairies of North America. This rich pasture once supported the greatest herds ever seen on our planet. There were once 60 million bison but no animal is immune to intensive hunting by man or the destruction of its habitat and a century ago the bison were reduced to barely 1, 000. Now, thanks to rigorous protection, the species is recovering. The growing season is long and the grass here can support herds all year round. Male bison weigh in at one tonne. In high summer the bulls are fat from the rich grazing and in prime condition but only a few will mate. Exactly which few is about to be decided. | |
| zhe li shi bei mei da cao yuan. zai zhe pian cao yuan shang ceng jing you di qiu shang zui da de ye sheng shou qun. zhe li yi du you 6000 wan tou mei zhou ye niu, dan ren he dong wu dou wu fa cheng shou lan bu lan sha he qi xi di bei hui de e guo. 100 nian qian, ye niu de shu liang zhi sheng bu dao 1000 zhi. you yu qiang you li de bao hu cuo shi, xian zai zhe ge wu zhong you kai shi hui fu sheng ji le. zhe li de cao chang qi sheng zhang, dong wu yi nian dao tou zai zhe li dou you shi wu ke chi. chong zu de shi wu shi xiong ye niu de ti zhong ke da dao 1 dun. zai sheng xia ji jie, feng fu de cao shi he sheng huo tiao jian rang gong niu bian de hen fei zhuang, dan zhi you shao shu neng gou you jiao pei de quan li. nei xie xiong xing you quan jiao pei zai shi jian bu zhang de jue dou zhong hen kuai jiu hui jue ding chu lai. |
| The prairies of North America. This rich pasture once supported the greatest herds ever seen on our planet. There were once 60 million bison but no animal is immune to intensive hunting by man or the destruction of its habitat and a century ago the bison were reduced to barely 1, 000. Now, thanks to rigorous protection, the species is recovering. The growing season is long and the grass here can support herds all year round. Male bison weigh in at one tonne. In high summer the bulls are fat from the rich grazing and in prime condition but only a few will mate. Exactly which few is about to be decided. | |
| zhè lǐ shì běi měi dà cǎo yuán. zài zhè piàn cǎo yuán shàng céng jīng yǒu dì qiú shàng zuì dà de yě shēng shòu qún. zhè lǐ yí dù yǒu 6000 wàn tóu měi zhōu yě niú, dàn rèn hé dòng wù dōu wú fǎ chéng shòu làn bǔ làn shā hé qī xī dì bèi huǐ de è guǒ. 100 nián qián, yě niú de shù liàng zhǐ shèng bú dào 1000 zhǐ. yóu yú qiáng yǒu lì de bǎo hù cuò shī, xiàn zài zhè gè wù zhǒng yòu kāi shǐ huī fù shēng jī le. zhè lǐ de cǎo cháng qī shēng zhǎng, dòng wù yì nián dào tóu zài zhè lǐ dōu yǒu shí wù kě chī. chōng zú de shí wù shǐ xióng yě niú de tǐ zhòng kě dá dào 1 dūn. zài shèng xià jì jié, fēng fù de cǎo shí hé shēng huó tiáo jiàn ràng gōng niú biàn de hěn féi zhuàng, dàn zhǐ yǒu shǎo shù néng gòu yǒu jiāo pèi de quán lì. něi xiē xióng xìng yǒu quán jiāo pèi zài shí jiān bù zhǎng de jué dòu zhōng hěn kuài jiù huì jué dìng chū lái. |
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