動(dòng)詞 impact:

1. press or wedge together; pack together
   同義詞：impact
2. have an effect upon
   同義詞：affect, impact, bear upon, bear on, touch on, touch

形容詞 impacted:

1. wedged or packed in together
   同義詞：wedged

1. Angrily the men returned the minutes later to tell their mates, "We had no impact. These men have skins like a rhinoceros."
   10分鐘后，這些人氣呼呼地回來(lái)對(duì)同伙說：“毫無(wú)作用，這些人臉皮真厚?！?/div>
2. The embargo impacted on export revenues.
   禁運(yùn)封出囗總收入有很大的影響。

im.pact.ed

adj.（形容詞）
Wedged together at the broken ends. Used of a fractured bone.
擠入的，插緊的：在斷裂的末端擠在一起的。用來(lái)描述斷裂的骨頭
Placed in the alveolus in a manner prohibiting eruption into a normal position. Used of a tooth.
牙齒長(zhǎng)不出的：在牙槽上處于妨礙新牙長(zhǎng)在正常位置的。用來(lái)描述牙齒
Wedged or packed in, so as to fill or block an organ or a passage:
阻塞的：堵塞或擠在一起以致于填滿或阻塞了一個(gè)器官或通道的：
例句：
impacted feces.
堵塞的排泄物