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to sit (down); to have a seat; to be seated; to kneel (on the floor)
to assume (a position); to take on (a duty); to occupy (a post)
to hold steady; to hold still
電車で席に座れました。
I got a seat on the train.
夕食後にソファに坐って映画を観る。
I sit on the sofa and watch movies after dinner.
列車に待っている間、ベンチに坐る。
I sit on the bench while waiting for the train.