on·rush /-ˌrʌʃ/
 突進,突擊,洪流
 On·rush n. A rushing onward.
 ◄ ►
 onrush
      n 1: (military) an offensive against an enemy (using weapons);
           "the attack began at dawn" [syn: attack, onslaught,
           onset]
      2: a forceful forward rush or flow; "from the bow she stared at
         the mesmerising onrush of the sea where it split and
         foamed"; "the explosion interrupted the wild onsrush of
         her thoughts"