1. Earthquakes are caused by two tectonic plates bumping into each other. 地震是由两块地壳构造板块互相碰撞造成的。
2. Indeed they were constantly bumping. 实际上，它们一直在碰撞。
3. Robots first learn basic competence — how to move around a house without bumping into things. 机器人首先要学习基本的技能——如何在屋子里移动而不撞到东西。
4. You get 2,000 people jostling each other and bumping into furniture. 你令2000人互相推搡并撞倒家具。
5. One positive outcome that could arise from bumping into a friendly ETI is that it takes our fledgling race under its wing (tentacle). 若是遇到友善的外星智慧生物，其积极后果之一就是会将我们这个幼稚的文明置于其卵翼（或触手）之下。
