单词	aplacental
释义	a·pla·cen·tal (ā′plə-sĕntl) adj. Having no placenta, as marsupials and monotremes.
随便看	tonic-clonic seizure tonicity tonic sol-fa tonic water tonight tonka bean Tonkin Tonkinese Tonle Sap tonlet ton-mile tonnage tonne tonneau tonometer tonometric tonometry tonoplast to no purpose tonsil tonsill- tonsillar tonsillectomy tonsillitic tonsillitis

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