下线退出的英文

exit,out

The little boy did not like the look of the barking dog.

退出quitexitback outdrop outretreat fromsecedewalk out 例：walk out of a meeting;退出会场withdraw from a competition;退出比赛We're in too deep to back out我们走得太远，已不能中途退出。

上线 online 下线 offline 注意：两个词不要拆开!