| 单词 | 胚芽 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔coleoptile〕A protective sheath enclosing the shoot tip and embryonic leaves of grasses.胚芽鞘：裹在草的芽尖和胚芽外层的保护鞘美国传统〔corn oil〕A pale yellow liquid obtained from the embryos of corn grains, used especially as a cooking and salad oil and in the manufacture of margarines.玉米油：从玉米胚芽中提取的一种浅黄色液体，主要用于烹制油，色拉油，并用于制造人造黄油美国传统〔downy mildew〕A disease of plants caused by fungi of the order Peronosporales and characterized by gray, velvety patches of spores on the lower surfaces of leaves.霜霉病：霜霉科真菌引起的植物疾病，患此病的植物叶背面有一簇簇的灰色绒状胚芽美国传统〔embryo〕Botany The minute, rudimentary plant contained within a seed or an archegonium.【植物学】 胚芽：小的，初级的植物包含有一个种子或颈卵器美国传统〔epicotyl〕The stem of a seedling or an embryo located between the cotyledons and the first true leaves.上胚轴：位于子叶和最早的真叶之间的籽苗或胚芽的茎美国传统〔gemmule〕A hypothetical particle of heredity postulated to be the mediating factor in the production of new cells in the theory of pangenesis.胚芽，芽球：在泛生论学说中，指遗传中的一种假定粒子，被假定认为在新细胞的产生中起媒介作用美国传统〔mesoblast〕The middle germinal layer of an early embryo, consisting of undifferentiated cells destined to become the mesoderm.中胚层：早期胚的中间胚芽层，由最终将发育成中胚层的未分化细胞组成美国传统〔nucellus〕The central portion of an ovule in which the embryo sac develops; the megasporangium.珠心：胚珠的中心，胚芽囊在此发育；大孢子囊美国传统〔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〔plumule〕Botany The rudimentary bud of a plant embryo.【植物学】 胚芽：植物胚胎的基芽美国传统〔spawn〕The source of something; a germ or seed.事物的根源、胚芽或种美国传统〔wheat germ〕The vitamin-rich embryo of the wheat kernel that is separated before milling for use as a cereal or food supplement.麦芽：小麦颗粒中富含维生素的胚芽，在碾磨之前被剥离开来，以用作麦类或食物添加剂美国传统 |
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