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getting on and off; embarking and disembarking
この駅の一日の乗降客数は五万人を超える。
The daily number of passengers at this station exceeds 50,000.
バスの乗降口は前方と後方の二箇所ある。
There are two boarding doors on the bus, front and rear.
乗降が完了してからドアが閉まります。
The doors will close after all passengers have boarded and alighted.