英语语法分析

A real happiness smile, what's known as a Duchenne smile, after a neurophysiologist who studied it, involves moving the eyes.

真正开心的微笑是杜乡式微笑，在一个神经心理学者研究后发现，包括眨眼睛。

They can't, but neurophysiologist professor John Stein of Oxford University believes they have good reason to feel confident.

他们是无法做到，但牛津大学的神经生理学教授约翰·斯坦相信他们有足够的证据支撑他们的论点。