n.

1. 衝擊，撞擊，碰撞[U]
   The impact of the stone against the windowpane shattered the glass.

   石頭撞擊窗戶打碎了玻璃。

2. 衝擊力，撞擊力[U]
3. 影響；作用[S1][（+on）]
   The book made a great impact on its readers.

   這本書對讀者有很大的影響。

vt.

1. 壓緊；擠滿
   The war impacted the area with refugees.

   戰爭使那個地區擠滿難民。

2. 衝擊，撞擊，碰撞
3. 對……產生影響

vi.

1. 衝擊，撞擊，碰撞
2. 產生影響[（+on）]
   It is obvious how bad movies will impact on children.

   壞電影對兒童會產生什麼影響是顯而易見的。

n.

1. the action of one object coming forcibly into contact with another.
2. a marked effect or influence.

v.

1. come into forcible contact with another object.
   ▸chiefly N. Amer. come into forcible contact with.
2. (often impact on) have a strong effect.
3. press firmly.