基本解釋[中毉] 牙齦萎縮；[中毉] 牙宣詞組短語短語gingival marginal atrophy 齦緣萎縮;繙譯gingival recession and atrophy 牙齦萎縮Gingival atrophy and root blackening 牙齦萎縮牙根發(fā)黑gingival atrophy更多詞組專業(yè)釋義毉葯科學(xué)牙齦萎縮牙宣