den

n.兽穴；秘密之所；私人的工作室或研究室

demonstrable, demonstrably, demonstrate, demonstration, demonstrative, demonstratively, demonstrator, demoralization, -isation, demoralize, demoralize, demoralise, demote, demotic, demotion, demur, demure, demurely, demureness, demurrage, demystification, demystify, denationalization, -isation, denationalize, denationalise, denatured, deniable, denial, denier, denigrate, denigration, denim, denizen, Denmark, denominate, denomination, denominational, denominator, denote, denouement, denounce, dense, denseness,