Duchenne smile

名词 n.
中文释义

英文释义

名词 n.
  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).

词形变化

Duchenne smiles plural

词源

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