露天；旷野；野外
先理解核心含义，再看它在真实句子里的用法。
露天；旷野；野外；露天；旷野；野外
the outdoors; the open air; a place outside of buildings
The campers slept in the open under the stars.
露营者睡在星空下的露天。
露天；旷野；野外
the outdoors; the open air; a place outside of buildings
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Dictionary facts from AI_SUPPLEMENT.