| 单词 | ovules |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔angiosperm〕A plant whose ovules are enclosed in an ovary; a flowering plant.被子植物：一种胚珠被包在子房里的植物；一种开花植物美国传统〔free central placentation〕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美国传统〔parietal〕Botany Borne on the inside of the ovary wall. Used of the ovules or placentas in flowering plants.【植物学】 同壁的，侧膜的：位于果核内壁的。用作开花植物的胚球或胚座美国传统〔placenta〕Botany The part within the ovary of a flowering plant to which the ovules are attached.【植物学】 胎座：开花植物子房内的某部分，胚珠可附于其上美国传统 |
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