1. 下贱的,卑鄙的：coarse 粗俗的 | debased 下贱的,卑鄙的 | ignoble 不光彩的

2. 三流的：valiant:勇敢 | debased:三流的 | banquet room:宴会大厅

3. 低质量的：debase 降低质量 | debased 低质量的 | debittreing yeast 脱苦叶酵母

4. 贬低的;品质恶劣的：debase降低 | debased贬低的;品质恶劣的 | subbase基层;基地

adj

1. ruined in character or quality

    Synonym: corruptedvitiated

2. lowered in value

    e.g. the dollar is low
           a debased currency

    Synonym: devalueddegraded

3. mixed with impurities

    Synonym: adulterateadulterated