| 单词 | 胚乳 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔aleurone〕A granular protein found in the endosperm of many seeds or forming the outermost layer in cereal grains.蛋白质微粒：许多种子胚乳中存在的颗粒状蛋白质或构成谷类最外层的颗粒状蛋白质美国传统〔endosperm〕The nutritive tissue within seeds of flowering plants, surrounding and absorbed by the embryo.胚乳：开发植物种子内部的营养组织，围在胚胎周围并被胚胎吸收美国传统〔ivory nut〕The seed of the ivory palm, having bony endosperm that is used as a substitute for true ivory.象牙椰子：象牙椰子树的种子，具有似骨的内胚乳，它可被用作真象牙的替代品美国传统〔perisperm〕The nutritive tissue that is derived from the nucleus and surrounds the embryo of the seed.外胚乳：包在种子胚芽外，产生于细胞核的营养性组织美国传统〔polar nucleus〕Either of two nuclei located centrally in a flowering plant embryo sac that eventually fuse to form the endosperm nucleus.极核：位于一株开花植物的胚囊中央的两个细胞核的任一个，这两个细胞核最终融合而形成内胚乳细胞核美国传统〔suspensor〕Botany A multicellular filamentous structure developed from a zygote in seed-bearing plants and connecting the embryo to the endosperm.【植物学】 胚柄：以结籽植物的合子发展而来并连结胚和胚乳的多细胞丝状结构美国传统 |
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