有關mammals的精選大全

用placental mammals造句子,“placental mammals”造句
allmammalsexceptmonotremesandmarsupialsareplacentalmammals.Themodifiedblastulathatischaracteristicofplacentalmammals.OforbelongingtotheinfraclassEutheria,adivisionofmammalstowhichalltheplacentalmammal...
用mammals造句子,“mammals”造句
Mostmammalsarediphyodonts.allmammalsexceptmonotremesandmarsupialsareplacentalmammals.Mostmammalsliveonland.Mostmammalswalkontheirtoes.monotremesandmarsupialsareaplacentalmammals.Toothedwhaleseatmainly...
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