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entrance; entry; gate; approach; mouth
入り口で靴を脱いでください。
Please take off your shoes at the entrance.
入り口が分かりにくくて迷った。
The entrance was hard to find and I got lost.
店の入り口に大きな看板が出ていたので見つけやすかった。
There was a big sign at the entrance so it was easy to find.