collisionKK [kəˋlɪʒən] /kəˈlɪʒən/名詞1相撞、撞擊、車禍Three people were injured in a collision between two buses.兩輛公車相撞,造成三人受傷。2衝突、牴觸The new policy is in direct collision with our core values.這項新政策與我們的核心價值直接衝突。3碰撞物理Scientists study the collision of particles at very high speeds.科學家研究粒子在極高速度下的碰撞。