单词	叶迹维管束
释义	同叶迹维管束--迹束
随便看	data base popular{=dbpop} database portability database position database practitioner database print manager database privacy database processor database processor--dbp database processor，dbp database producer database program communication block database program communication block--db-pcb database program communication block，db-pcb database programmer database programming database programming language database project database protection database publishing database quality control database query database query language database query system database query，dbq database record