im·pact /ɪmˈpækt/
 沖擊,碰擊;效果,影響,作用(vt.)裝緊,壓緊;塞滿;沖擊,碰撞


 impact
 撞擊式


 impact
 撞擊


 Im·pact v. t. [imp. & p. p. Impacted; p. pr. & vb. n. Impacting.]
 1. To drive close; to press firmly together: to wedge into a place.


 Im·pact n.
 1. Contact or impression by touch; collision; forcible contact; force communicated.
    The quarrel, by that impact driven.   --Southey.
 2. Mech. The single instantaneous stroke of a body in motion against another either in motion or at rest.

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 impact
      n 1: the striking of one body against another
      2: a forceful consequence; a strong effect; "the book had an
         important impact on my thinking"; "the book packs a
         wallop" [syn: wallop]
      3: influencing strongly; "they resented the impingement of
         American values on European culture" [syn: impingement,
         encroachment]
      4: the violent interaction of individuals or groups entering
         into combat; "the armies met in the shock of battle" [syn:
          shock]
      v 1: press or wedge together; pack together
      2: have an effect upon; "Will the new rules affect me?" [syn: affect,
          bear upon, bear on, touch on, touch]