car·dia /ˈkɑrdiə/
心渦; 賁門
car·dia /ˈkɑrdɪə/ 名詞
Car·di·a n. Anat. (a) The heart. (b) The anterior or cardiac orifice of the stomach, where the esophagus enters it.
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cardia
n : the opening into the stomach and that part of the stomach
connected to the esophagus