Duchenne smile

短语

词形变化

Duchenne smiles 复数 Duchenne smiles

释义与例句

n.
  1. 1.

    A smile involving contraction of both the zygomatic major muscle (which raises the corners of the mouth) and the orbicularis oculi (which raises the cheeks and forms crow's feet around the eyes).

词源

Named after the French physician Guillaume Duchenne de Boulogne (1806–1875) who identified it.

来源：wiktionary