一天五吨饭
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
little1208
bump[英][bʌmp][美][bʌmp]vt.& vi.碰撞,冲撞; 颠簸; vi.颠簸着前进; n.碰撞,撞击; 肿块; 隆起物; 鹭鸶的叫声; adv.突然地,猛烈地; 扑通一声;
小胡子阿志
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.
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