indoorindoor /ˈɪndɔː $ -ɔːr/ adjective [only before noun] 
used or happening inside a building在室内使用的或发生于室内的que se usa o tiene lugar dentro de un edificiousado ou que acontece dentro de um edifício建物の中で使われる、または建物の中で行われる건물 안에서 사용되거나 일어나는 OPP outdoor: 
an indoor swimming pool室内游泳池una piscina cubiertauma piscina coberta室内プール실내 수영장 the world indoor athletics championship世界室内田径锦标赛el campeonato mundial de atletismo en pista cubiertao campeonato mundial de atletismo em pista coberta世界室内陸上競技選手権大会세계 실내 육상 선수권 대회 Too much central heating can harm indoor plants.过度使用暖气可能会损害室内植物。La calefacción central excesiva puede dañar las plantas de interior.O aquecimento central em excesso pode prejudicar as plantas de interior.暖房のかけすぎは室内植物に害を与えることがある。지나친 중앙난방은 실내 식물에 해를 끼칠 수 있다.USAGE: Indoor, indoors用法：Indoor, indoorsUSO: Indoor, indoorsUSO: Indoor, indoors使い方：Indoor, indoors사용법: Indoor, indoorsIndoor is an adjective and indoors is an adverb.indoor 是形容词，indoors 是副词。Indoor es un adjetivo e indoors es un adverbio.Indoor é um adjetivo e indoors é um advérbio.indoor は形容詞で、indoors は副詞です。indoor는 형용사이고 indoors는 부사입니다.You say: · indoor sports ✗Don't say: indoors sports应说：· indoor sports ✗不要说：indoors sportsSe dice: · indoor sports ✗No se dice: indoors sportsDiz-se: · indoor sports ✗Não se diz: indoors sports正しい表現：· indoor sports ✗誤った表現：indoors sports올바른 표현: · indoor sports ✗잘못된 표현: indoors sportsYou say: · I stayed indoors. ✗Don't say: I stayed indoor.应说：· I stayed indoors. ✗不要说：I stayed indoor.Se dice: · I stayed indoors. ✗No se dice: I stayed indoor.Diz-se: · I stayed indoors. ✗Não se diz: I stayed indoor.正しい表現：· I stayed indoors. ✗誤った表現：I stayed indoor.올바른 표현: · I stayed indoors. ✗잘못된 표현: I stayed indoor.
used or happening inside a building在室内使用的或发生于室内的que se usa o tiene lugar dentro de un edificiousado ou que acontece dentro de um edifício建物の中で使われる、または建物の中で行われる건물 안에서 사용되거나 일어나는 OPP outdoor: an indoor swimming pool室内游泳池una piscina cubiertauma piscina coberta室内プール실내 수영장 the world indoor athletics championship世界室内田径锦标赛el campeonato mundial de atletismo en pista cubiertao campeonato mundial de atletismo em pista coberta世界室内陸上競技選手権大会세계 실내 육상 선수권 대회 Too much central heating can harm indoor plants.过度使用暖气可能会损害室内植物。La calefacción central excesiva puede dañar las plantas de interior.O aquecimento central em excesso pode prejudicar as plantas de interior.暖房のかけすぎは室内植物に害を与えることがある。지나친 중앙난방은 실내 식물에 해를 끼칠 수 있다.USAGE: Indoor, indoors用法：Indoor, indoorsUSO: Indoor, indoorsUSO: Indoor, indoors使い方：Indoor, indoors사용법: Indoor, indoorsIndoor is an adjective and indoors is an adverb.indoor 是形容词，indoors 是副词。Indoor es un adjetivo e indoors es un adverbio.Indoor é um adjetivo e indoors é um advérbio.indoor は形容詞で、indoors は副詞です。indoor는 형용사이고 indoors는 부사입니다.You say: · indoor sports ✗Don't say: indoors sports应说：· indoor sports ✗不要说：indoors sportsSe dice: · indoor sports ✗No se dice: indoors sportsDiz-se: · indoor sports ✗Não se diz: indoors sports正しい表現：· indoor sports ✗誤った表現：indoors sports올바른 표현: · indoor sports ✗잘못된 표현: indoors sportsYou say: · I stayed indoors. ✗Don't say: I stayed indoor.应说：· I stayed indoors. ✗不要说：I stayed indoor.Se dice: · I stayed indoors. ✗No se dice: I stayed indoor.Diz-se: · I stayed indoors. ✗Não se diz: I stayed indoor.正しい表現：· I stayed indoors. ✗誤った表現：I stayed indoor.올바른 표현: · I stayed indoors. ✗잘못된 표현: I stayed indoor.