into or within a building
在室内,在户内;入室内,入户内
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they went indoors and explored the house .他们进入屋内四处查看。
the area or space inside a building
室内,户内
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the rain makes indoors feel so warm and safe .雨使人感觉到室内如此温暖和安全。
"late 18th cent. (superseding earlier