窓を開けると、涼しい風がスッと入り込んだ。
When I opened the window, a cool breeze came in smoothly.
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Example sentences
It is necessary to prevent impurities from getting in.
山の中で道に迷い、いつの間にかけものみちに入り込んでしまった。
I got lost in the mountains and before I knew it, I had wandered onto an animal trail.
Usage Notes
Used when something enters an interior space or a complex situation.
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