Normal swells, known technically as gravity waves, are created by wind pushing the surface of the sea up and gravity then pulling it down, causing it to bounce.
一般的波浪，技术上被成为重力波，是由于风推动着海洋表面上升而后又在重力的作用下被拉向下方，这便会导致海水的回弹。
I have here a tennis ball and I can bounce this tennis ball, I can throw it down.
我这里有个网球，要是把它对着地面扔，它会弹起来。
This time, we will not plummet down and then bounce back comfortably to where we were before it all started.
这一次，我们将不会直线下降继而舒服地弹回原地，这回的萧条会有不同寻常的深远影响。
Now I'm going to drop them together vertically down, and then this ball will bounce up somehow.
现在我将要把它们同时垂直投下，然后球会以某种方式弹起。
But we'll not get too down about it, we'll move on and bounce back. We have to.
但我们不能因为这个而太忧伤，我们必须继续前进，把接下来的比赛赢回来，我们必须赢。
Even though, the boy liked to bounce up and down.
尽管如此，男孩还是喜欢上下弹跳。
A recession-induced dearth of bussiness travellers helped drive circulation down by 17%, but it ought to bounce back.
由经济衰退引起的缺乏商务旅客使其销售量降低了17%，但在将来应该会反弹回来。
If rock was held down, formerly, it can bounce up.
之前，如果岩石掉落，可以弹跳起来；
Success is you bounce back after being shot down to the abyss of disappointment.
成功就是你被击落到失望的深渊之后反弹得有多高。
Answer: If you bounce when you run, your head and body are moving up and down too much, which wastes a lot of energy.
答：如果跑步有弹跳，您的头和身体上下移动幅度太大，这样会浪费许多能量。
Patient: Why do you ask me to bounce up and down on my bed?
病人：为什么你让我在床上上下蹦跳呢？
A raisin dropped in a glass of fresh champagne will bounce up and down continuously from the bottom of the glass to the top.
一粒葡萄干落入一杯新酿的香摈中时，它会从杯底到杯口不断地上下跳动。
The ring will jump up the core and, if it does not fly clear of the core, will bounce up and down in a swing-like manner, finally coming to rest at a point some distance up the core from the coil.
环会跳起来的核心，如果它不飞的核心明确，将反弹向上和向下挥杆样的方式，终于来到休息点一些，从线圈核心的距离。
According to the bounce of pollution index that present in cuting down section, further investigation was made and some new pollution sources were found.
利用水质监测削减断面的功能特性及污染指数的反弹现象发现新污染源。
The head should not bounce up and down during this drill.
在做这个训练的时候，头部不允许上下移动。
In closing, 60-minute technical side turns down, date line technical side is weak, which shows big chance to back bounce.
休市时，60分钟技术面掉头向下，日线技术面呈现上攻乏力，午后回调几率很大。
Bounce that red ball down to town.
弹那个红色的球到城镇。
"A universe filled with matter will contract down to a small—but finite—size and then bounce out again, giving us the expanding cosmos we see today, " he says.
“一个充满物质的宇宙会收缩至一个小——但有限——的尺寸然后又反弹开，产生我们今天看到的膨胀的宇宙，”他说。
For instance, a mother might hold her baby's head and pull the child's face toward her own or bounce her own head up and down, all while gazing directly into the infant's eyes.
法拉利说。比如，一个妈妈可能会抱住孩子的头并将其面部靠近自己或者自己的头上下来回移动，整个过程中都直直盯着孩子们的眼睛。
When law down the technology on the complicated large bending parts, we utilize this research result to resolve the return bounce on bend.
在制定大型复杂弯曲件工艺时，运用该研究结果可以解决弯曲回弹的问题。
Medicine Patient: Why do you ask me to bounce up and down on my bed?
病人：为什么你让我在床上上下蹦跳呢？
The kids bend trees and bounce between cars and dangle upside down from knees and almost break like fancy museum vases you can't replace.
那些孩子们弄折树木，在汽车中间蹦跳穿梭，膝盖一勾把身体倒挂起来，差点就像博物馆李华美的花瓶一样摔破了，碎了你就放不回去。
The vibrations can cause houses to slide off their foundations, and can make buildings contract, expand, shake from side to side, and bounce up and down.
震动会使房屋滑出它们的建筑，会使建筑物收缩、廓张，两边摇晃，和上下弹跳。
Even though you may say it is against lesser opposition, we still had to bounce back from the result at the weekend, put a statement down and make sure we qualified for the next round.
这对我们来说是很重要的一场比赛。尽管有人会说对抗性不那么强，但是我们需要从周末的失败中反弹，赢下比赛，确保进入下一轮。今晚的这支青年军做到了。
Law 4: Golf balls never bounce off of trees back into play. If one does, the tree is breaking a law of the universe and should be cut down.
定律四：高尔夫球在碰到树木以后从不会弹会球道。如果出现例外情况，则是那棵树违背了这一定律，应该被砍掉。
When the weekend hits, celebrities like to let their hair down and relax. And yesterday Halle Berry had a little more bounce to her 'do as she went grocery shopping.
周末到来时，明星们都喜欢随意披散头发放松一下，而昨天哈里贝瑞去选购食物时看起来比他们更有活力。
Objects in the game roll down slopes and bounce realistically off each other;
游戏中人物滚落下斜坡，相互之间颇具真实感的激烈碰撞；
Objects in the game roll down slopes and bounce realistically off each other;
游戏中人物滚落下斜坡，相互之间颇具真实感的激烈碰撞；
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