n.碰撞( collision的名词复数 )；冲突；（两人之间或对立意见、看法等之间的）冲突；抵触 英英释义： collision[ kə'lɪʒən ]n.(physics) an brief event in which two or more bodies come together"the collision of the particles resulted in an exchange of energy and a change of direction"同义词：hitan accident