单词	bivy bag
释义	bivy bag noun variants or bivy sac or less commonly bivvy bag or bivvy sac : a collapsible bag made of weatherproof fabric that is used to provide shelter usually for a single person in the wilderness All night the rain came in wind-lashed waves that hammered at the nylon bivy bag … Craig Medred, Anchorage Daily News, 30 Sept. 1990 I was comfortably warm in my sleeping bag and bivvy bag … Clive Tully, Geographical Magazine, March 1990 I crawled back to my bike and unhooked my survival kit—a bivy sack, sleeping bag and foam pad. Jill Homer, Juneau (Alaska) Empire, 16 Mar. 2008 This well-designed, compact bivvy sack is easy to slide into and protects best when temperatures are above 9C. Toronto Star, 16 Aug. 2008 Word History First Known Use 1975, in the meaning defined above
随便看	binately binater binatest bination binational binaural binaurally binauricular Binche lace bind bind off bind over bindabler bindablest binded binder binder board binder course binder line binder twine binder's board binder's cloth binder's title binderies binders

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