內(nèi)部粒子碰撞;粒子間碰撞interparticle: 粒子間的add collisions: 增加碰撞beware of collisions: 當(dāng)心碰撞cosmic collisions: 宇宙大碰撞interatomic collisions: 原子間碰撞下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯