单词	zero delivery
释义	zero delivery 零流量
随便看	heading tool heading to steer heading-to-steer mark heading to the buoy heading up heading upsetting heading upward plan position indicator heading-upward plan position indicator heading-upward plan postion heading upward presentation heading volume heading wall heading work head-initial head-injured head-injureds head injuries head injury head-injury Head Injury Criterion head inspector head installation head insulation head intertrack shield head-in-the-clouds 铭心刻骨铭心镂骨铭感不忘铭感五内铭肌镂骨铭肤镂骨铭记不忘铭诸肺腑铮铮1 官女官学官尊民卑官庁官憲官房官房長官官有官服官板