noun🔗Share护墙，挡土墙. A layer of stone, concrete, or other hard material supporting the side of an embankment."The highway's revetments prevented the slope from eroding during the heavy rains. "公路的护墙挡住了斜坡，使其在暴雨期间免受侵蚀。architecturematerialgeologybuildingenvironmentChat with AIVocabulary GamePractice Reading
noun🔗Share防御工事，掩体. An armoured building that provides protection against bombs."The new revetment around the school's library protected it from the bomb blasts during the war. "战争期间，学校图书馆周围新建的防御工事有效保护了它，使其免受炸弹爆炸的破坏。militarybuildingarchitectureChat with AIVocabulary GamePractice Reading
