Defon.迪福
defabbr.防御(=defense)abbr.延缓的(=deferred)abbr.定义(=definition)abbr.明确的(=definite)
defattingn.除油(脱脂)
defoamant去泡剂
Defforges德福尔热
defstructn.定义结构
DEF index乳牙龋失补指数
Defosseux德福瑟
Defraigne德弗雷涅
defluxion流下
Deflandre德弗朗德尔
Defenisns防御素