相关单词同义词preparation, arrangement, provision, opening, rudimentary, 近义词adj. basic, elementary临近词prelude, prejudice, preliminary to, preliminary dip, preliminary act, preliminary ada, preliminary wave, preliminary dive, preliminary glow, preliminary test, preliminary note, preliminary fact相似词prejudiced, prejudicial, prelate, prelim, preliterate, preload, preloading, prelude, 返回 preliminary