permagrin

名词 n.
中文释义
英 /ˈpɜː.məˌɡɹɪn/    美 /ˈpɜɹ.məˌɡɹɪn/

英文释义

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

词形变化

permagrins plural

词源

From perma- + grin.
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