Sounds bounce off heavy storm clouds and return to earth with increased force.

声音从暴风云中反弹回来，并带着更大的力量返回地球。

youdao

Short sound waves bounce off even small objects.

短声波即使遇到小物体都会产生回音。

《牛津词典》

So these rapid clicks that are sent out bounce off objects, maybe a group of fish swimming over here, a boat coming from over there.

这些声波发出后碰到物体，有可能是这边的鱼群或是那边来的船。

youdao

The short wave signals bounce off the ionosphere that surrounds the Earth,back to the ground and then back to the ionosphere.

VOA: special.2010.12.08

The body is having all sorts of light bounce off my eyes of various wavelengths.

身体可以通过不同的,波长把光线反射进我的眼睛

耶鲁公开课 - 死亡课程节选

and have everyone come up with different ideas, and then you can bounce ideas off each other and

每个人都能提出不同的想法，你们可以互相讨论各自的观点，

要做好角色分担 - SpeakingMax英语口语达人

They ended early in the huge bounce off the biggest bear market since the Great Depression.

FORBES: Lost Decade, Found!

Still, copper prices were back under pressure despite a short-lived bounce off 18-month lows Thursday.

WSJ: European Stocks Gain, Yen Slides

The Oil Service Sector (OIH) has been very weak and trying to bounce off bottom.

FORBES: Can G7 Call Provide Hope for Market?