单词	couch surfing
释义	couch surfingˈcouch ˌsurfing (also ˈsofa ˌsurfing) noun [uncountable] the practice of staying for free at the homes of friends or other people and sleeping on their couches, when you do not have a permanent home of your own or when travelling
随便看	reaper reappear reappearance reappraisal reappraise rear rear admiral rearguard rearm rearmament rearmost rearrange rearrangement rearview mirror rearward rearward, reason reasonable reasonableness reasonably reasoned reasoning reassemble reassert reassess

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