Deggn.德格degabbr.程度(=degree)degeneration cyst变性囊肿degradable system可降级系统degenrate primers简并引物deglutition murmur吞咽杂音degressive burning减缩截面燃烧deglutition centre吞咽中枢degradable plastic可降解塑料degreasing solvent脱脂溶剂; 脱垢溶剂degrading capacity降解性能degradated failure渐衰故障,渐衰失效