单词	polar nucleus
释义	polar nucleus noun : either of the two nuclei of a seed plant embryo sac that are destined to form endosperm Word History First Known Use 1882, in the meaning defined above
随便看	provisionment provisions proviso resentments resents resequent reserate reserpic acid reserpine reserpines reservable reservation reservationist reservationists reservations reservatory reserve reserve account reserve bank reserve buoyancy reserve capacity reserve card reserve city reserve clause reserve judgment

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