英語單詞學習：voluntary
今天我們要學的詞是voluntary。Voluntary,自願的，主動的。"Virginiaresidentsturnedinalmost10,000poundsofunusedandexpiredprescriptionmedicationduringavoluntary'DrugTake-BackDay',"在藥物回收日那天，維...
今天我們要學的詞是voluntary。Voluntary,自願的，主動的。"Virginiaresidentsturnedinalmost10,000poundsofunusedandexpiredprescriptionmedicationduringavoluntary'DrugTake-BackDay',"在藥物回收日那天，維...