on·rush /-ˌrʌʃ/
  突進,突擊,洪流
  On·rush n. A rushing onward.
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  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"