短語(yǔ)詞組短語(yǔ)obsolescent a 過(guò)時(shí)的obsolescent equipment 淘汰儀器obsolescent aircraft 報(bào)廢的航空器obsolescent item [計(jì)劃]失去時(shí)效的項(xiàng)目obsolescent ? 逐漸被廢棄的obsolescent boiler 陳舊鍋爐obsolescent toft 荒廢宅基地obsolescent rank 逐漸取消的職級(jí)obsolescent housing 過(guò)時(shí)住房 返回 obsolescent