词汇	secondary needs
释义	secondary needs 辅助性需要
随便看	two-track recorder two-track recording two-track relief two-track road two-tracks two track stereophonic recording two-track strategy two-track system Two-track System two track tape two-track tape two-track tunnels Two Traditions two trailing shoe brake two-transaction method two-transducer flaw detector two transfer two transformer bridge converter two transformer push pull converter two-transistor bandgap structure two-transistor forward Two-transistor Forward Converter Two transistors forward Two transistor two forward converter two-transit method