the physical coming together of two or more things;
\\\"contact with the pier scraped paint from the hull\\\"
造句
In the dip, economists saw evidence that the basic laws of arithmetic are now impinging on millions of households. 在這種情況下，經濟學家看到基本的計算規則現在與幾百萬的家庭發生碰撞的跡象。
The paper also describes the effects of the structure that formed the fuel impinging mixture on engine performance in details. 此外，還詳細介紹了這種軸針式噴油嘴產生的不同形式的碰撞效果對直噴式發動機性能影響的研究結果。