寻找北极光 电视剧优酷:first billed only什么意思

first billed only什么意思 First Call什么意思 only human什么意思？ first of all这里first是个什么词? 请问the last/first/second/next/only to do的意思？ First love is only a little foolishness and a lot of curiosity. first of all 与 first 与 for the first time 有什么区别？ command prompt only什么意思 by appointment only.什么意思 FIRST OF MAY 中文什么意思``