dong xue 19

洞穴 19
dong xue 19 Lyrics

Song 洞穴 19
Artist 英语听力
Album BBC地球脉动
Download Image LRC TXT
还有其它的穴居动物也有类似的情形。野生的童态河溪螈的数量不足一百只。伯利兹的这些白蟹是另一种只出现在一个岩洞里的物种。生活在永久的黑暗中,它们不但没有了皮肤色素,而且没有了眼睛。需要经过数千代的进化才会失去眼睛,所以,这种动物一定在这里生活了漫长的时光。但鳃盲螈发展出了极度灵敏的感觉器官,它皮肤上的感觉器官可以探测到水中猎物极其细微的动静。外鳃有助于它在氧气极少的水中呼吸。
hai you qi ta de xue ju dong wu ye you lei si de qing xing. ye sheng de tong tai he xi yuan de shu liang bu zu yi bai zhi. bo li zi de zhei xie bai xie shi ling yi zhong zhi chu xian zai yi ge yan dong li de wu zhong. sheng huo zai yong jiu de hei an zhong, ta men bu dan mei you le pi fu se su, er qie mei you le yan jing. xu yao jing guo shu qian dai de jin hua cai hui shi qu yan jing, suo yi, zhe zhong dong wu yi ding zai zhe li sheng huo le man chang de shi guang. dan sai mang yuan fa zhan chu le ji du ling min de gan jue qi guan, ta pi fu shang de gan jue qi guan ke yi tan ce dao shui zhong lie wu ji qi xi wei de dong jing. wai sai you zhu yu ta zai yang qi ji shao de shui zhong hu xi.
hái yǒu qí tā de xué jū dòng wù yě yǒu lèi sì de qíng xíng. yě shēng de tóng tài hé xī yuán de shù liàng bù zú yī bǎi zhǐ. bó lì zī de zhèi xiē bái xiè shì lìng yī zhǒng zhǐ chū xiàn zài yí gè yán dòng lǐ de wù zhǒng. shēng huó zài yǒng jiǔ de hēi àn zhōng, tā men bù dàn méi yǒu le pí fū sè sù, ér qiě méi yǒu le yǎn jīng. xū yào jīng guò shù qiān dài de jìn huà cái huì shī qù yǎn jīng, suǒ yǐ, zhè zhǒng dòng wù yí dìng zài zhè lǐ shēng huó le màn cháng de shí guāng. dàn sāi máng yuán fā zhǎn chū le jí dù líng mǐn de gǎn jué qì guān, tā pí fū shàng de gǎn jué qì guān kě yǐ tàn cè dào shuǐ zhōng liè wù jí qí xì wēi de dòng jìng. wài sāi yǒu zhù yú tā zài yǎng qì jí shǎo de shuǐ zhōng hū xī.
洞穴 19 dong xue 19 Lyrics
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