on and off

短语词组

短语

• on n and off 断断续续地;有时
• on shell and off shell 在壳和离壳
• on again and off again 分分合合
• switch on -and off 开关通断
• on -and off-balance sheet 表内和表外项目
• switch on and off 开关通断
• Handset On and Off 关机和待机时
返回 on and off