Along the way he identified a particular type of smile that engages both the zygomatic major and the orbicularis oculi - muscles that raise the corners of the mouth and cheeks, respectively.
根据这种方法,他辨识到一种特别的微笑方式,位于颧骨和眼轮眶肌间的肌肉分别带动嘴角和脸颊肌肉提起。
2
Similarly, Duchenne identified a genuine smile as using the orbicularis oculi muscle around the eyes which cannot easily be consciously manipulated.
类似地,杜兴认为真实的笑容需要牵动眼部周围的轮匝肌,而这是无法有意控制的。
3
And they mean it: they smile with their eyes (a contraction of the orbicularis oculi facial muscles), not just their mouths.