Read Edit View history 乳突 rǔtū mastoid process Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 乳突 · rǔtū · mastoid process 2026/03/04 乳突 rǔtū mastoid process the mastoid process of the temporal bone 医生检查了他耳后的乳突部位。 noun created sense Mar 4, 2026, 02:25 AM