| 单词 | 初生 |
| 释义 | 〔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〔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〔primary〕primary meristem; primary xylem.初生分生组织；初生木质部〔flapper〕possibly from flapper [fledgling partridge or duck] from flap 可能源自 flapper [初生羽毛的松鸡或鸭] 源自 flap〔nascence〕A coming into being; birth.See Synonyms at beginning 初生；新生 参见 beginning |
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