slip away是什么意思？

slip away的音标：slip away的英式发音音标为：[slip ə'wei]slip away的美式发音音标为：[slɪp ə'we]...

Aha, you can't slip away this time.哈哈, 这回你溜不掉了.Why do you slip away by stealth like this?你怎么这样就偷偷地溜了?Moon's weak gravity let the gasses slip away into space.月球的微弱引力允许气体逃到太空里去....