撞击 1.(撞) impact; ram; dash against; strike; knock; hit against 激 流对海岸的撞击 the impact of the swift current against the shore; 波浪撞击着岩石。 the breakers dashed on the rocks.2.[工业] liquid knockout; percussion; shock; impingement; brunt; impaction; wipe
碰撞 1.(猛然碰上) collide; run into; knock against; run foul of; crash 互相碰撞 ran foul of each other; 几只滚动在工作台上的木桶互相碰撞。 the casks rolling about on the desk knocked against one another.2.[物理学] collision; impact; hit; impinging; foul; prang 核碰撞 nuclear collision; 意外碰撞 accident collision; 斜向碰撞 oblique collision; 振动碰撞 generating collision; 碰撞负载 impact load; 碰撞机 collider; 碰撞角 impingement angle; 碰撞理论 [物理化学] collision theory; 碰撞破坏 impact wreckage; 碰撞事故 collision accident; 碰撞事件 pileup; 碰撞试验 impact test; bump test