| The Maya understood the importance of the cenotes, but they could never have known that these flooded passageways were actually the beginning of subterranean rivers, all of which eventually flow out to the sea. Salt water, unlike fresh water, does not erode limestone, so most sea caves are created by the mechanical pounding of the waves. The rocky outcrops of New Zealand's Poor Knight Islands are riddled with sea caves and just like those in Borneo they have become important shelters for many species. After a day feeding in the open water vast shoals of demoiselle fish return to the caves, which they use as a refuge from predators. For these fish the caves are a nighttime retreat, but they're not the only commuters in here. There are other fish working to a different schedule. | |
| 玛雅人知道灰岩坑对于他们的重要性，但他们决不会知道，这些水坑实际上是一些地下河的起点，这些地下河一直流向大海。咸水与淡水不同，它不会腐蚀石灰岩，所以海上的绝大部分岩洞都是由海浪的机械冲击力形成的。新西兰普尔奈茨群岛的岩层有许多海岸岩洞，而且和加里曼丹岛的那些岩洞一样，这里也是多种动物的重要隐蔽场所。在宽阔的大海上觅食一天之后，大群的雀鲷回到岩洞中休息，它们在这里躲避食肉动物的攻击。对于这些鱼类来说，岩洞是夜晚休息之所，但它们并不是这里唯一的进出者。这里还有作息时间不同的其它鱼类。 |
| The Maya understood the importance of the cenotes, but they could never have known that these flooded passageways were actually the beginning of subterranean rivers, all of which eventually flow out to the sea. Salt water, unlike fresh water, does not erode limestone, so most sea caves are created by the mechanical pounding of the waves. The rocky outcrops of New Zealand' s Poor Knight Islands are riddled with sea caves and just like those in Borneo they have become important shelters for many species. After a day feeding in the open water vast shoals of demoiselle fish return to the caves, which they use as a refuge from predators. For these fish the caves are a nighttime retreat, but they' re not the only commuters in here. There are other fish working to a different schedule. | |
| ma ya ren zhi dao hui yan keng dui yu ta men de zhong yao xing, dan ta men jue bu hui zhi dao, zhei xie shui keng shi ji shang shi yi xie di xia he de qi dian, zhei xie di xia he yi zhi liu xiang da hai. xian shui yu dan shui bu tong, ta bu hui fu shi shi hui yan, suo yi hai shang de jue da bu fen yan dong dou shi you hai lang de ji xie chong ji li xing cheng de. xin xi lan pu er nai ci qun dao de yan ceng you xu duo hai an yan dong, er qie he jia li man dan dao de nei xie yan dong yi yang, zhe li ye shi duo zhong dong wu de zhong yao yin bi chang suo. zai kuan kuo de da hai shang mi shi yi tian zhi hou, da qun de que diao hui dao yan dong zhong xiu xi, ta men zai zhe li duo bi shi rou dong wu de gong ji. dui yu zhei xie yu lei lai shuo, yan dong shi ye wan xiu xi zhi suo, dan ta men bing bu shi zhe li wei yi de jin chu zhe. zhe li hai you zuo xi shi jian bu tong de qi ta yu lei. |
| The Maya understood the importance of the cenotes, but they could never have known that these flooded passageways were actually the beginning of subterranean rivers, all of which eventually flow out to the sea. Salt water, unlike fresh water, does not erode limestone, so most sea caves are created by the mechanical pounding of the waves. The rocky outcrops of New Zealand' s Poor Knight Islands are riddled with sea caves and just like those in Borneo they have become important shelters for many species. After a day feeding in the open water vast shoals of demoiselle fish return to the caves, which they use as a refuge from predators. For these fish the caves are a nighttime retreat, but they' re not the only commuters in here. There are other fish working to a different schedule. | |
| mǎ yǎ rén zhī dào huī yán kēng duì yú tā men de zhòng yào xìng, dàn tā men jué bú huì zhī dào, zhèi xiē shuǐ kēng shí jì shang shì yī xiē dì xià hé de qǐ diǎn, zhèi xiē dì xià hé yī zhí liú xiàng dà hǎi. xián shuǐ yǔ dàn shuǐ bù tóng, tā bú huì fǔ shí shí huī yán, suǒ yǐ hǎi shàng de jué dà bù fen yán dòng dōu shì yóu hǎi làng de jī xiè chōng jī lì xíng chéng de. xīn xī lán pǔ ěr nài cí qún dǎo de yán céng yǒu xǔ duō hǎi àn yán dòng, ér qiě hé jiā lǐ màn dān dǎo de nèi xiē yán dòng yí yàng, zhè lǐ yě shì duō zhǒng dòng wù de zhòng yào yǐn bì chǎng suǒ. zài kuān kuò de dà hǎi shàng mì shí yì tiān zhī hòu, dà qún de què diāo huí dào yán dòng zhōng xiū xī, tā men zài zhè lǐ duǒ bì shí ròu dòng wù de gōng jī. duì yú zhèi xiē yú lèi lái shuō, yán dòng shì yè wǎn xiū xī zhī suǒ, dàn tā men bìng bú shì zhè lǐ wéi yī de jìn chū zhě. zhè lǐ hái yǒu zuò xī shí jiān bù tóng de qí tā yú lèi. |
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