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单词 gum
释义 gum2/ɡʌm/n. (usu. in pl. 通常用复数) the firm flesh around the roots of the teeth 牙龈,牙床 [Old English gōma, related to Old High German guomo, Old Norse gómr ‘roof or floor of the mouth’]
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更新时间:2025/8/23 14:15:12