英语词汇“polar nucleus”是什么意思，“polar nucleus”的读音、用法及例句翻译-乐坝网

词汇	polar nucleus
释义	polar nucleusn.Botany（名词）【植物学】 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
随便看	potassium dichromate potassium hydroxide potassium iodide potassium muriate potassium nitrate potassium permanganate potassiums potassium sodium tartrate potassium sulfate potassium–argon potation potations potato potato potato beetle potato blight potato bug potato bug potato chip potato disease potatoes potato mildew potato mold potato murrain potatory

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