英语词汇“free central placentation”是什么意思，“free central placentation”的读音、用法及例句翻译-烛光网

词汇	free central placentation
释义	free central placentationn.Botany（名词）【植物学】 The arrangement of ovules on a central column that is not connected to the ovary wall by partitions, as in the ovaries of the carnation and primrose.分离中央胎座式：（如在康乃馨和报春花的子房里的）胚珠长在不经深裂片与室壁相连的中央柱上的排列方式
随便看	inform informal informal informality informant informants informatics information information information age information retrieval informations information science information superhighway information technology information theory informative informative informatory informed informed consent informer informercial infos infotainment

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