When it relaxes, the energy it has absorbed is re-emitted as yellowish light.

放松之后，它所吸收的能量就以稍黄颜色的光重新释放出来。

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Snoring occurs when the soft palate tissue at the back of the throat relaxes too much, obstructing the entrance to the throat.

由于咽喉后部的软腭组织过于放松，会对吸气形成阻碍，这时人们就会打鼾。

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Even teenagers can have "dynamic" wrinkles: creases that materialize with certain facial gestures but disappear when the face relaxes.

就连青少年也会有所谓的“动态”纹：由于某些面部表情所产生的褶皱，放松后，便会随即消失。

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The heart muscle contracts and relaxes when calcium is released from a reservoir inside into the muscle cell and then pumped back quickly.

BBC: Gene link to inherited heart disease

Let's see what happens when Europe finally relaxes monetary policy.

FORBES: Magazine Article

When injected in diluted form, Botox relaxes muscle movements that cause twitches and stuttering as well as those distressing wrinkles.

ECONOMIST: Beauty treatments