舌正中沟
/ˈmiːdiːəl kəndˈaɪl ɒv ˈfiːmə/
n
English: median lingual sulcus · 舌正中沟
释义：Depression extending over the entire length of the body of the tongue and separating it into two symmetrical halves.
English: median lingual sulcus · 舌正中沟