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detached house; single house; single building
isolated house; house in isolated location
静かな一軒屋に引っ越した。
I moved to a quiet detached house.
一軒屋よりマンションの方が防犯上安心だ。
A condominium feels safer than a detached house in terms of security.
駅から遠い場所に広い一軒屋を建てた。
They built a spacious detached house far from the station.