要海豚的英文资料
Dolphinsnbsp;nbsp;MAMMALIAnbsp;belongingnbsp;tonbsp;dolphins,nbsp;whalenbsp;eyes,nbsp;teethnbsp;subordernbsp;ofnbsp;whales,nbsp;dolphinsnbsp;Section,nbsp;commonlynbsp;knownnbsp;asnbsp;dolphins,nbsp;whalesnbsp;arenbsp;relativelynbsp;smallnbsp;size,nbsp;anbsp;totalnbsp;ofnbsp;nearlynbsp;62nbsp;kinds,nbsp;thenbsp;distributionnbsp;ofnbsp;thenbsp;world‘snbsp;oceans.nbsp;Lengthnbsp;ofnbsp;1.2nbsp;tonbsp;4.2nbsp;metersnbsp;andnbsp;weighingnbsp;23nbsp;tonbsp;225nbsp;kilograms.nbsp;Dolphinsnbsp;generalnbsp;Zuijian,nbsp;onnbsp;thenbsp;lowernbsp;jaw,nbsp;aboutnbsp;101nbsp;ofnbsp;thenbsp;tapernbsp;teeth,nbsp;mainlynbsp;smallnbsp;fish,nbsp;squid,nbsp;shrimp,nbsp;crabnbsp;feed.nbsp;Dolphinsnbsp;likenbsp;tonbsp;havenbsp;anbsp;“collective“nbsp;life,nbsp;atnbsp;leastnbsp;innbsp;thenbsp;firstnbsp;fewnbsp;tonbsp;asnbsp;manynbsp;asnbsp;severalnbsp;hundrednbsp;head.nbsp;Maria‘snbsp;abilitynbsp;tonbsp;benbsp;anbsp;dolphin,nbsp;brightnbsp;seanbsp;mammals.nbsp;Afternbsp;training,nbsp;willnbsp;benbsp;ablenbsp;tonbsp;playnbsp;tablenbsp;tennis,nbsp;dancing,nbsp;andnbsp;othernbsp;Ringnbsp;ofnbsp;Fire.nbsp;Innbsp;additionnbsp;tonbsp;thenbsp;people,nbsp;thenbsp;dolphin‘snbsp;brainnbsp;isnbsp;thenbsp;mostnbsp;developednbsp;innbsp;animals.nbsp;Inbsp;amnbsp;humannbsp;brainnbsp;accountsnbsp;fornbsp;2.1nbsp;percentnbsp;ofnbsp;bodynbsp;weight,nbsp;itnbsp;accountsnbsp;fornbsp;dolphinnbsp;brainnbsp;weightnbsp;ofnbsp;1.7nbsp;‰.nbsp;Dolphin‘snbsp;completelynbsp;separatednbsp;fromnbsp;thenbsp;brainnbsp;ofnbsp;twonbsp;parts,nbsp;onenbsp;partnbsp;ofnbsp;thenbsp;work,nbsp;anothernbsp;partnbsp;ofnbsp;thenbsp;rest,nbsp;thenbsp;dolphinsnbsp;cannbsp;notnbsp;sleepnbsp;fornbsp;life.nbsp;Dolphinnbsp;isnbsp;onnbsp;echolocationnbsp;tonbsp;determinenbsp;thenbsp;distancenbsp;ofnbsp;thenbsp;goal,nbsp;direction,nbsp;location,nbsp;shapenbsp;andnbsp;evennbsp;thenbsp;naturenbsp;ofnbsp;thenbsp;object.nbsp;Somenbsp;peoplenbsp;donbsp;testing,nbsp;thenbsp;dolphin‘snbsp;eyesnbsp;cast,nbsp;thenbsp;muddynbsp;waternbsp;up,nbsp;theynbsp;cannbsp;quicklynbsp;andnbsp;accuratelynbsp;Itnbsp;thrownbsp;catchnbsp;upnbsp;withnbsp;thenbsp;food.nbsp;Dolphinsnbsp;arenbsp;notnbsp;onlynbsp;alarmingnbsp;hearing,nbsp;andnbsp;superbnbsp;swimmingnbsp;andnbsp;divingnbsp;extraordinarynbsp;ability.nbsp;Accordingnbsp;tonbsp;somenbsp;tests,nbsp;thenbsp;dolphinsnbsp;divingnbsp;recordnbsp;isnbsp;300nbsp;metersnbsp;deep,nbsp;andnbsp;notnbsp;wearingnbsp;anbsp;wetnbsp;suit,nbsp;onlynbsp;20nbsp;metersnbsp;underwater.nbsp;Asnbsp;fornbsp;itsnbsp;swimmingnbsp;speed,nbsp;isnbsp;morenbsp;thannbsp;thenbsp;humannbsp;beings.nbsp;Dolphinnbsp;upnbsp;tonbsp;thenbsp;speednbsp;ofnbsp;40nbsp;kilometersnbsp;pernbsp;hour,nbsp;whichnbsp;isnbsp;equivalentnbsp;tonbsp;thenbsp;Yuleikuaitingnbsp;mediumnbsp;speed.nbsp;amp;nbsp;amp;nbsp;nbsp;Innbsp;thenbsp;Kingdomnbsp;ofnbsp;whales,nbsp;dolphinsnbsp;tonbsp;anbsp;fewnbsp;familynbsp;-nbsp;thenbsp;largestnbsp;typenbsp;ofnbsp;dolphinnbsp;Section,nbsp;thenbsp;world‘snbsp;knownnbsp;totalnbsp;ofnbsp;morenbsp;thannbsp;30.nbsp;Althoughnbsp;somenbsp;speciesnbsp;k
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