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These waves reflect (反射) off surfaces all around and return to my ears.

这些波段经过周围表面的反射后，又回到我的耳朵里。

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The tiny gaps between the tubes collect and trap background light to prevent it from reflecting off surfaces and interfering with the light that scientists actually want to measure.

碳纳米管之间的微小空隙收集并抑制了背景光，阻止这些光线反射出表面，干扰了科学家真正想要测量的光线。

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Brinker one-upped the bug by designing a coating for the Air Force so hydrophobic that water bounces off surfaces like a tennis ball.

FORBES: The Science of Small

GPR's traditional applications, the wave bounces off buried surfaces, revealing a picture of the subterranean world.

ECONOMIST: Winemaking and radar

He studies the animals by watching them run on a tiny treadmill-like apparatus or recording the way they manipulate their bodies when they fall off vertical surfaces.

CNN: Snails inspire design for state-of-the-art robots