zoemai0505
collision英 [kəˈlɪʒn] 美 [kəˈlɪʒən] n.碰撞;冲突;（意见，看法）的抵触;（政党等的）倾轧例句：I saw a head-on collision between two aeroplanes. 我看见两架飞机迎面相撞。It's the collision of disparate ideas that alters one's perspective 是迥然不同的观点之间的碰撞改变了人们的看法。
我的臭熊熊
hit [hit]vt. 打击；袭击；碰撞；偶然发现；伤…的感情vi. 打；打击；碰撞；偶然碰上n. 打；打击；（演出等）成功；讽刺[ 过去式hit 过去分词hit 现在分词hitting ]hit的过去式，过去分词都一样 都是hit
greenxixi503
击球,碰撞knock 过去式是 knocked现在分词是 knocking如He knocked at the door just now.He is knocking the ball.
沈阳王小圈儿
奉贤精锐英语邵老师为你解答：碰撞 Collision,crash,collide碰撞电离 Impact Ionization,collision ionization,ionization by collision轻微碰撞 slight impact
