O 開頭單詞
obsolescent rank [商業(yè)]逐漸取消的職級(jí)
obsolescent perishable item [經(jīng)濟(jì)學(xué)]變質(zhì)物品
obsolescent item [琯理學(xué)]失去時(shí)傚的項(xiàng)目
obsolescent housing [經(jīng)濟(jì)學(xué)]過(guò)時(shí)住房
obsolescent adj. 荒廢的；即將過(guò)時(shí)的；逐漸被廢棄的
obsolescence factor [物理學(xué)]報(bào)廢因素
obsolescence clause [經(jīng)濟(jì)學(xué)]更新條款
obsolescence n. 過(guò)時(shí)；淘汰，廢棄
obsolesced v.行將過(guò)時(shí)；成爲(wèi)廢物
obsolesce v. 使……成爲(wèi)廢物；使……過(guò)時(shí)
obsite 均被的
obsidional adj.包圍的；圍攻的
obsidianite 似曜石,熔融石
obsidian n.黑曜石
obsessor v.著迷；睏擾