词汇	執務
释义	執務 zhí wù操持；担任。执务
随便看	backward season backward seat circle backward secure backward security backward-security backward selection backward selection model backward self-similarity backward sequence backward sequence number backward set backward set-up backward set up messae backward set-up message Backwards,he thought.Full speed ahead backwards backward shift backward shifting backward-shifting technique backward shift operator backwards high-jump backward ship backwards homing torpedo backward sight backward signal backward signaling