| 单词 | bivouac | 
| 释义 | biv·ou·ac   (bĭv-ăk′, bĭvwăk′) n.  A temporary encampment often in an unsheltered area. intr.v.  biv·ou·acked, biv·ou·ack·ing, biv·ou·acs also   biv·ou·acks   To camp in a bivouac. [French, from German dialectal beiwacht, supplementary night watch : bei-, beside (from Middle High German bi-, from Old High German; see  ambhi in the Appendix of Indo-European roots) + Wacht, watch, vigil (from Middle High German wahte, from Old High German wahta; see  weg- in the Appendix of Indo-European roots).] | 
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