secondary xylem的用法和样例：
例句
- In nonwoody plants the primary xylem is the only water-conducting tissue, but in mature plants with secondary growth this function is mostly taken over by the secondary xylem.
在尚未木质化的植物中，初生木质部是唯一的输水组织，但在具有次生生长的成熟植物中，该功能大多由次生木质部行使。
secondary xylem的相关资料：
临近单词
secondary cut
secondary
secondary inoculation reaction
secondary wastewater treatment
secondary pump variable volume
secondary disease of dysentery
secondary motor correspondence
secondary natural radionuclide
Secondary cooling water system
secondary tuberculosis of lung
secondary geological disasters
Secondary nasolabial deformity
