| 单词 | 中柱 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔eustele〕The central cylinder in which the primary vascular tissue is arranged around a pith, as in most seed plants.真中柱：一种管状中柱，其中初生脉管组织排列在髓孔周围，存在于大多数种子植物中美国传统〔king post〕A supporting post extending vertically from a crossbeam to the apex of a triangular truss.桁架中柱：垂直连接三角桁架的横梁和顶点的支撑杆美国传统〔newel〕A vertical support at the center of a circular staircase.螺旋楼梯中柱：环行楼梯中间的垂直支撑美国传统〔pericycle〕A plant tissue characteristic of the roots, located between the endodermis and phloem.中柱膜：位于内皮层和韧皮层之间的根系的植物组织美国传统〔protogynous〕Of or relating to a flower in which the stigma is receptive before the pollen is shed from the anthers of the same flower.雌蕊先熟的：花中柱头在该花花药释放花粉以前就有接受能力的或与此有关的美国传统〔protostele〕A stele that has a solid core of vascular tissue.原生中柱：一种有管状组织的实心中柱美国传统〔siphonostele〕A type of stele in which the vascular cylinder surrounds a pith, as in the stem of the sunflower.管状中心柱：一种围绕木髓血管圆柱体的中柱，如向阳花的茎中美国传统〔stele〕Botany The central core of vascular tissue in a plant stem or root.【植物学】 中柱：植物茎或根部中维管组织的中核美国传统〔unsupported〕The removal of the centre post will leave the roof unsupported.移走中柱会使屋顶失去支撑。英汉大词典 |
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