noun🔗Share护墙，挡土墙。 A layer of stone, concrete, or other hard material supporting the side of an embankment."The heavy rainfall threatened to erode the riverbank, so they built a strong revetment of concrete blocks to protect it. "连日暴雨威胁着要侵蚀河岸，所以他们用混凝土块建造了一道坚固的护墙来保护它。materialarchitecturebuildinggeologyenvironmentChat with AIVocabulary GamePractice Reading
noun🔗Share护墙，挡土墙，防御工事。 An armoured building that provides protection against bombs."During the war, soldiers sought shelter in a concrete revetment whenever the air raid sirens sounded. "战争期间，每当空袭警报响起，士兵们都会躲进混凝土防御工事里寻求庇护。militaryarchitecturebuildingweaponChat with AIVocabulary GamePractice Reading
