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to put together; to combine; to join together; to join up
to match against (e.g. in a sport)
異なる素材を組み合わせて新しい製品を開発した。
We developed a new product by combining different materials.
色を上手に組み合わせると部屋の印象が変わる。
Skillfully combining colors can change the feel of a room.
薬を組み合わせることで治療効果が高まった。
Combining medications improved the treatment outcome.