1·Now, next lecture I will also deal with situations whereby during the collision, the particles bounce off each other.
我将会在下节课,讲到另一些情况,在碰撞过程中，粒子相互反弹。
2·Spectral filtering: Sounds coming from different directions bounce off the inside of the outer ears in different ways.
光谱过滤：来自不同方向的声音反弹外耳的内部以不同的方式。
3·Avoid Spiky Bees, grab on to magic pegs, bounce off of Bumper Birds, and eat as much cheese as you can.
避免高低不平蜜蜂，抓住魔钉，反弹保险杠鸟类，吃多少奶酪，你可以。
4·Point the remote up. See if you can get the beam to bounce off the ceiling and turn on the TV.
把遥控器举起来，看看你能否让红外光反弹并打开电视。
5·When bats go out to hunt, they send out 1 sonar signals at such high frequencies and in such rapid bursts that they can hear the signals bounce off mosquitoes in midair.
当蝙蝠外出觅食时，它们飞快地发出非常高频的声纳信号，这些信号碰到半空中的蚊子后反弹回来，蝙蝠马上就能听到。