河马
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(河(hé )马(mǎ ),河(hé )马(mǎ ))
哺(bǔ )乳(rǔ )动(dòng )物(wù )。身(shēn )体(tǐ )肥(féi )大(dà ),皮(pí )肤(fū )裸(luǒ )露(lù ),黑(hēi )褐(hè )色(sè ),尾(wěi )短(duǎn ),尾(wěi )端(duān )有(yǒu )少(shǎo )数(shù )刚(gāng )毛(máo )。头(tóu )大(dà ),嘴(zuǐ )阔(kuò ),耳(ěr )小(xiǎo ),犬(quǎn )齿(chǐ )发(fā )达(dá )。前(qián )、后(hòu )肢(zhī )都(dōu )短(duǎn ),有(yǒu )四(sì )趾(zhǐ ),略(luè )有(yǒu )蹼(pǔ ),大(dà )部(bù )分(fèn )时(shí )间(jiān )生(shēng )活(huó )在(zài )水(shuǐ )中(zhōng )。群(qún )居(jū ),性(xìng )温(wēn )和(hé )。善(shàn )于(yú )游(yóu )泳(yǒng )。以(yǐ )草(cǎo )类(lèi )和(hé )水(shuǐ )生(shēng )植(zhí )物(wù )为(wéi )食(shí )。肉(ròu )和(hé )脂(zhī )肪(fáng )可(kě )食(shí )。分(fèn )布(bù )于(yú )热(rè )带(dài )非(fēi )洲(zhōu )的(de )河(hé )流(liú )和(hé )湖(hú )沼(zhǎo )地(dì )带(dài )。
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