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cutting to pieces; tearing to pieces
地震で道路が各所で寸断されている。
Roads have been severed in many places by the earthquake.
補給路の寸断が戦局を大きく左右した。
The severing of supply lines greatly affected the war situation.
台風で電話回線が寸断され連絡が取れない。
Phone lines were cut by the typhoon and contact cannot be made.