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1·It also called involuntary muscle or skeletal muscle.

它又称为随意肌或骨骼肌。

2·Smooth muscle can not be controlled by the will, it is also called involuntary muscle.

平滑肌不能由意志控制，所以又称为不随意肌。

3·Now it’s this latter muscle that’s involuntary, so the crows feet smile is considered the real spontaneous emotion and is known now as the Duchenne smile.

现在发现眼轮匝肌的动作是无意识做出的，因此，带鱼尾纹的微笑被看成是情感的自然流露，誉为杜乡式微笑（发自内心的微笑）。

4·They were also strapped into a giant centrifuge, where they had to read signals and answer questions despite dizziness, muscle contortions and involuntary spurts of tears.

他们还要被固定在巨型离心机里，经历头昏眼花、肌肉扭曲和无意识的流眼泪的同时，接收信号并回答问题。

5·Seizures can vary from the briefest lapses of attention or muscle jerks, to severe and prolonged convulsions (i.e. violent and involuntary contractions, or a series of contractions, of the muscles).

癫痫的发作可能存有不同情况，从简短的意识丧失或肌肉反射到严重并且长期性抽搐(即肌肉的强烈和不自主性收缩或者一系列收缩)不等。

6·Spasmodic winking caused by the involuntary contraction of an eyelid muscle.

脸痉挛由于眼睑肌肉偶然挛缩而引起的痉挛性眨眼。