obsolescent
obsolescent[ˌɒbsəˈlɛs(ə)nt]adjective- becoming obsolete
将要过时的
obsolescent equipment.
陈旧的装备。
obsolescent slang.
即将废弃不用的俚语。
派生obsolesceverb- existing systems begin to obsolesce.
现行制度开始落伍。
obsolescencenoun语源- mid 18th cent.: from Latin obsolescent- 'falling into disuse', from the verb obsolescere
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