| In fact, most small desert creatures are nocturnal. so it's only now that you can judge just how much life there can be in the desert. But moisture, lost even at night, has to be replaced sometime somehow and that problem dominates the lives of all desert dwellers. The Atacama in Chile. This is the driest desert in the world. Some parts may not see rain for 50 years and with such a record you'd expect the place to be completely barren. These are South America's camels, guanacos. They're very good at conserving moisture but they nonetheless need a regular supply of water. They get it partly from cactus flowers but that explanation raises another question. How do the cacti survive without rain? | |
| 事实上，所有的小型沙漠动物，都是夜间活动的，因此只有在晚上你才真正知道，沙漠上有多少生命在活动，但是失去的水分，必须在一定的时间内补充回来，所有的沙漠动物都是如此。 这里是智利的阿塔卡马沙漠，它是世界上最干燥的沙漠，有些地方可能长达50年不下雨，在这种情况下，你可能会认为这里是不毛之地，这是南美洲的野生羊驼，它们非常善于储藏水分，但即使如此，它们从不放过，任何一个补充水分的机会，它们的一部分水分来自仙人掌花，但这种解释引出另外一个疑问，没有雨水，这种植物是如何生存的呢？ |
| In fact, most small desert creatures are nocturnal. so it' s only now that you can judge just how much life there can be in the desert. But moisture, lost even at night, has to be replaced sometime somehow and that problem dominates the lives of all desert dwellers. The Atacama in Chile. This is the driest desert in the world. Some parts may not see rain for 50 years and with such a record you' d expect the place to be completely barren. These are South America' s camels, guanacos. They' re very good at conserving moisture but they nonetheless need a regular supply of water. They get it partly from cactus flowers but that explanation raises another question. How do the cacti survive without rain? | |
| shi shi shang, suo you de xiao xing sha mo dong wu, dou shi ye jian huo dong de, yin ci zhi you zai wan shang ni cai zhen zheng zhi dao, sha mo shang you duo shao sheng ming zai huo dong, dan shi shi qu de shui fen, bi xu zai yi ding de shi jian nei bu chong hui lai, suo you de sha mo dong wu dou shi ru ci. zhe li shi zhi li de a ta ka ma sha mo, ta shi shi jie shang zui gan zao de sha mo, you xie di fang ke neng chang da 50 nian bu xia yu, zai zhe zhong qing kuang xia, ni ke neng hui ren wei zhe li shi bu mao zhi di, zhe shi nan mei zhou de ye sheng yang tuo, ta men fei chang shan yu chu cang shui fen, dan ji shi ru ci, ta men cong bu fang guo, ren he yi ge bu chong shui fen de ji hui, ta men de yi bu fen shui fen lai zi xian ren zhang hua, dan zhe zhong jie shi yin chu ling wai yi ge yi wen, mei you yu shui, zhe zhong zhi wu shi ru he sheng cun de ne? |
| In fact, most small desert creatures are nocturnal. so it' s only now that you can judge just how much life there can be in the desert. But moisture, lost even at night, has to be replaced sometime somehow and that problem dominates the lives of all desert dwellers. The Atacama in Chile. This is the driest desert in the world. Some parts may not see rain for 50 years and with such a record you' d expect the place to be completely barren. These are South America' s camels, guanacos. They' re very good at conserving moisture but they nonetheless need a regular supply of water. They get it partly from cactus flowers but that explanation raises another question. How do the cacti survive without rain? | |
| shì shí shàng, suǒ yǒu de xiǎo xíng shā mò dòng wù, dōu shì yè jiān huó dòng de, yīn cǐ zhǐ yǒu zài wǎn shàng nǐ cái zhēn zhèng zhī dào, shā mò shàng yǒu duō shǎo shēng mìng zài huó dòng, dàn shì shī qù de shuǐ fèn, bì xū zài yí dìng de shí jiān nèi bǔ chōng huí lái, suǒ yǒu de shā mò dòng wù dōu shì rú cǐ. zhè lǐ shì zhì lì de ā tǎ kǎ mǎ shā mò, tā shì shì jiè shang zuì gān zào de shā mò, yǒu xiē dì fāng kě néng cháng dá 50 nián bù xià yǔ, zài zhè zhǒng qíng kuàng xià, nǐ kě néng huì rèn wéi zhè lǐ shì bù máo zhī dì, zhè shì nán měi zhōu de yě shēng yáng tuó, tā men fēi cháng shàn yú chǔ cáng shuǐ fèn, dàn jí shǐ rú cǐ, tā men cóng bù fàng guò, rèn hé yí gè bǔ chōng shuǐ fèn de jī huì, tā men de yī bù fen shuǐ fèn lái zì xiān rén zhǎng huā, dàn zhè zhǒng jiě shì yǐn chū lìng wài yí gè yí wèn, méi yǒu yǔ shuǐ, zhè zhòng zhí wù shì rú hé shēng cún de ne? |
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