onward       
 adjective [ before noun ]  formal uk/ˈɒn.wəd/ us/ˈɑːn.wɚd/
C1 以后的;向前的,前进的
moving forward to a later time or a more distant (= farther away) place
  the onward march of time 时间的推移 
UK If you are continuing on an onward flight, your bags will be transferred automatically. 如果你要转机继续飞行,你的行李也会自动转机。 
 onward      
adverb mainly US uk/ˈɒn.wəd/ us/ˈɑːn.wɚd/
 (同 onwards)
→  onwards