mastoidn.
英 'mæstɒɪd | 美 'mæstɔɪd
中文n. 乳突；乳般突起\nadj. 乳头状的
乳突；乳般突起
adj. 乳头状的
词根词源
mastoid (adj.)"breast-shaped, resembling a breast or nipple," 1732, from Greek mastoeides "resembling a breast," from mastos "(woman\\'s) breast" (see masto-) + -oeides "like," from eidos "form, shape" (see -oid). As a noun, 1800, from the adjective.
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