短語詞組短語Serious individual defect product 嚴重的單個不良serious tooth defect 重度牙躰缺損the more serious defect 嚴重缺陷serious defect fruit 嚴重缺陷果the most serious defect 致命缺陷serious periodontopathy with dentition defect 重度牙周病伴牙列缺損 返回 serious defect