劍橋詞典

a Latin word meaning "of an angle " or "of a corner ", used in medical names and descriptions
(拉丁語）角（用于醫(yī)學(xué)術(shù)語中，單數(shù)形式為angulus)
The levator anguli oris muscles raise the corners of the mouth when we smile . 人們微笑時提口角肌使嘴角向上提升。 返回 anguli