| 单词 | 木质部 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔borer〕An insect or insect larva, such as the corn borer, that bores into the woody parts of plants.蛀虫：钻入植物的木质部的昆虫或昆虫幼虫，如玉米螟虫美国传统〔endarch〕Of or relating to a xylem whose early development is toward the center.木质部的：木质部或与木质部相关的，其早期发展是朝向中心的美国传统〔exarch〕Of or relating to a xylem whose early development is away from the center and toward the periphery.（植）外始式的：早期发育远离中心而向外部发展的木质部的或与其有关的美国传统〔growth ring〕A growth layer in secondary xylem seen in a cross section.生长轮，年轮：树木横截面的次生长木质部的生长层次美国传统〔metaxylem〕The part of the primary xylem that differentiates after the protoxylem and is characterized by broader vessels and tracheids.后生木质部：初生木质部中不同于原生木质部的一部分，以更宽的导管和管胞为特征美国传统〔primary xylem〕A type of xylem tissue derived from the procambium.初生木质部：由原成层转变而成的木质组织种类美国传统〔protoxylem〕The first formed xylem that differentiates from the procambium.原生木质部：最先形成的木质部，与原形成层不同美国传统〔scutch〕To separate the valuable fibers of (flax, for example) from the woody parts by beating.打（麻）：通过敲打把有价值的纤维（例如亚麻）从木质部分中分离出来美国传统〔secondary tissue〕Tissue produced by a lateral meristem, such as secondary xylem and cork.次生组织：分生组织所长出的组织，像是次生木质部及木栓层美国传统〔trachea〕Botany One of the tubular conductive vessels in the xylem of vascular plants.【植物学】 导管：维管植物的木质部中的管状引导管之一美国传统〔tracheid〕A cell in the xylem of vascular plants.管胞：在维管植物的木质部中的细胞美国传统〔tracheophyte〕Any of various vascular plants, including seed plants and ferns, having a conducting system of xylem and phloem.导（维）管植物：任何种类的维管植物，包括种子植物和蕨类植物，具有木质部和韧皮部导管系统美国传统〔vascular cambium〕A lateral meristem that produces secondary xylem to the inside and secondary phloem to the outside.维管形成层：一种横向的分生组织，向里面产生补充的木质部并向外产生补充的韧皮部美国传统〔vascular tissue〕The supportive and conductive tissue in plants, consisting of xylem and phloem.维管组织：植物中的支持和输导组织，由木质部和韧皮部构成美国传统〔wood〕The secondary xylem of trees and shrubs, lying beneath the bark and consisting largely of cellulose and lignin.木质：位于树皮下的树和灌木的次木质部，主要由纤维质和木质构成美国传统〔xylem〕The supporting and water-conducting tissue of vascular plants, consisting primarily of tracheids and vessels; woody tissue.木质部：在维管束植物中的起支撑作用和输水作用的组织，主要由管胞和管道组成；木质组织美国传统 |
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