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swallowing
understanding; comprehension; apprehension
食べ物ののみ込みが困難な患者がいます。
Some patients have difficulty swallowing food.
のみ込みが遅いと指摘されました。
It was pointed out that the swallowing is slow.
飲み物ののみ込みに注意が必要です。
You need to be careful when swallowing drinks.