bivvy sack
noun[C]
UK(USbivy sack)uk/ˈbɪv.i ˌsæk/us/ˈbɪv.i ˌsæk/(informalbivvy)athin,lightcoverthatfitsover asleepingbagforextraprotection, often used byclimbers
（套在睡袋外面以增加保护的）露宿袋，露营睡袋
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Camping
- awning
- backpacker
- billy
- bivvy
- camping
- camping site
- campsite
- canopy tent
- canvas
- caravan park
- caravan site
- caravanning
- encampment
- pitch
- ridge tent
- tent city
- tent pole
- tented village
- trailer camping
- trailer park
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Mountaineering & rock climbing