adj.压紧的；结实的；牙齿长不出的
动词impact的过去式和过去分词形式.
Angrily the men returned the minutes later to tell their mates, "We had no impact. These men have skins like a rhinoceros." 10分钟后，这些人气呼呼地回来对同伙说：“毫无作用，这些人脸皮真厚。”
The embargo impacted on export revenues. 禁运对出囗总收入有很大的影响。
