单词	polycross
释义	polycross 1 of 2 noun poly·​cross ˈpälē, -lə̇+ˌ- : a cross in which the female parent is known but the male may belong to any of several available strains and which is used in the production of new lines of some economic plants (as alfalfa) polycross 2 of 2 adjective " : produced by a polycross polycross seed : producing polycrosses polycross nursery Word History Etymology Noun poly- + cross
随便看	Theresa therest therethrough thereto theretofore theretoward thereunder thereuntil thereunto thereupon therevid Therevidae therewhile therewhilst therewith therewithal therewithin Theria theriac theriaca theriacal theriacas theriacs therian therianthropic

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