His jaw muscles bulged very slightly.

他的下巴肌肉微微隆起。

His jaw muscles bulged. His eyes were dirty ice. " So" ?

他的下巴肌肉隆起。他的眼睛是脏冰。“所以” ？

The square chin was deeply cleft and the muscles bulged at the points of the jaw.

方形的下巴深深地裂开， 下巴尖处的肌肉隆起。

Kingsley's head was turned towards me and his jaw muscles bulged with the way his teeth were clamped.

金斯利的头转向我， 他的下巴肌肉因咬紧牙齿的方式而鼓起。

That's why every muscle contains a few different kinds of supportive sheaths of connective tissue -- the protective reinforcements to keep that bulging muscle from bursting.

这就是为什么每一块肌肉都包含几种不同类型的结缔组织支持鞘——保护增强物，以防止膨胀的肌肉爆裂。