The sounds bounce off them and the lower jaw captures the returning sounds, making it possible for the dolphin to sense what's in the surrounding water and decide where to swim.
声音从它们那里折射，下颌捕捉到返回的声音，使海豚能够感受到周围水域中有什么，并决定游向哪里。
This exception to the rule results, because some smooth surfaces absorb the light particles hitting them, making it impossible for them to bounce back.
这一规则的例外产生的结果是：由于一些光滑的表面吸收了击中它们的光的微粒，所以就造成它们不能反射回来。
This exception to the rule results, because some smooth surfaces absorb the light particles hitting them, making it impossible for them to bounce back.
这一规则的例外产生的结果是：由于一些光滑的表面吸收了击中它们的光的微粒，所以就造成它们不能反射回来。
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