on and on 与 on and off 的区别?老师给的解释是continually和continuously,我感觉没什么区别.

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on and on 与 on and off 的区别?老师给的解释是continually和continuously,我感觉没什么区别.
on and on 与 on and off 的区别?
老师给的解释是continually和continuously,我感觉没什么区别.

on and on 与 on and off 的区别?老师给的解释是continually和continuously,我感觉没什么区别.
为你解答.
on and on:持续不断地(中间无间隔)
on and off:时断时续地(意即中间有多次间隔)