前缀 omni-前缀octo-,octav-的含义、词源和例词前缀 out-前缀 over-前缀 pan-前缀 peri-前缀poly-含义、词源和例词前缀 post-前缀proto-词源，词义和例子前缀 pseudo-前缀 psycho-前缀quadru-,quadri- = four 四前缀 retro-前缀 se-前缀syn-,sy-,sym-,syl-,sys- = with,together同共,一起,相似前缀 tele-前缀 with-前缀 tri-前缀 ultra-前缀 un-