单词	aplacental
释义	a·pla·cen·tal (ā′plə-sĕntl) adj. Having no placenta, as marsupials and monotremes.
随便看	Dubuque ducal ducally ducat duce Duchamp Duchenne muscular dystrophy duchess duchy du Châtelet duck duck duck duck duckbill duck-billed dinosaur duck-billed platypus duck blind duckboard duck duck goose ducker duck hawk ducking stool duckling duckpin

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