permagrin

发音

UK /ˈpɜː.məˌɡɹɪn/
US /ˈpɜɹ.məˌɡɹɪn/

词形变化

permagrins 复数 permagrins

释义与例句

n.
  1. 1.

    A permanent grin; a smile that is permanently transformed into a grin, appearing like it is printed onto one's face.

    可数 俚语

词源

From perma- + grin.

来源：wiktionary