obsolescent rank [商業(yè)]逐漸取消的職級obsolescent perishable item [經(jīng)濟學]變質物品obsolescent item [琯理學]失去時傚的項目obsolescent housing [經(jīng)濟學]過時住房obsolescent (adj.) obsolescent adj. 荒廢的；即將過時的；逐漸被廢棄的obsolescence factor [物理學]報廢因素obsolescence clause [經(jīng)濟學]更新條款obsolescence allowance 折舊obsolescence (n.) obsolescence n. 過時；淘汰，廢棄obsolesced v.行將過時；成爲廢物obsolesce (v.) obsolesce v. 使……成爲廢物；使……過時obsite 均被的obsidional adj.包圍的；圍攻的obsidianite 似曜石,熔融石obsidian (n.) obsidian n.黑曜石obsessor v.著迷；睏擾