On Passing-off仿冒行为研究
on paid-off带薪休假
on and-off switch通;断开关
Skitter on Take-Off唱片名
on roll-off ship装卸集装箱船
Roll-on roll-off ship滚装船
Lift-on lift-off吊上吊下;吊吊颈下;吊进吊出法
KL HOP-ON HOP-OFF巴士
roll-on roll-off ferry滚装渡船
ADJ（形容词） (of an electrical switch, button, etc) having an `on' position and an `off' position (电开关、按钮等)有开关的