verb🔗Share重新挖沟，深挖沟渠。 To dig or redig a trench where one already exists."The soldiers were retrenching their defensive positions, deepening the existing trenches to better protect themselves from enemy fire. "士兵们正在重新挖沟加固他们的防御阵地，他们深挖现有的战壕，以更好地保护自己免受敌人的炮火袭击。buildingarchitecturemilitaryChat with AIVocabulary GamePractice Reading
