instanteradv.即刻；马上instantn.瞬间；立即adj.立即的；即时的；速成的instant judgement瞬时判断instant on switch即时开关Instant Designing实时设计instant green tea速溶绿茶instant foodstuff方便食品instant wholesale转手批发instant bandwidth瞬时带宽instant distortion瞬时失真instant prediction即时预测instant production即席制作