单词 | cotyledons |
例句 | DEFINITIVE EXAMPLES 权威例句〔dicotyledon〕A flowering plant with two embryonic seed leaves or cotyledons that usually appear at germination.双子叶植物:具有两片胚籽的或通常在萌芽上有双子叶的花卉植物美国传统〔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〔epigeal〕Botany Of or relating to the emergence of cotyledons above the surface of the ground after germination.【植物学】 生长或出现在地表或接近地表的地方:发芽后子叶露出地表的美国传统〔hypocotyl〕The part of the axis of a plant embryo or seedling plant that is below the cotyledons.(下)胚轴:低于胚轴的一个植物胚胎或根的轴的一部分美国传统〔hypogeal〕Botany Of or relating to seed germination in which the cotyledons remain below the surface of the ground.【植物学】 地下生的,地下产生子叶的:种子萌芽的,或与之有关的,在这种萌芽里胚胎保留在地表面以下美国传统〔polycotyledon〕A plant whose seed contains more than two cotyledons.多子叶植物:种子含有两片以上子叶的一种植物美国传统 |
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