Derfi德尔菲DERabbr.派生（=derivation)deregistrationn.撤消 ... 的登记Derris ellipta毛鱼藤dervative rock沉积岩Dermatoglyphic皮纹学的dermal papilla皮肤乳头,真皮乳头deregenerative[计] 非再生的deremony music仪式音乐derrated shaft[机] 锯齿轴dermatofibroma皮肤纤维瘤dermal pattern皮纹型