noun🔗Share床垫，褥垫。 A pad on which a person can recline and sleep, usually having an inner section of coiled springs covered with foam or other cushioning material then enclosed with cloth fabric."The store was selling mattresses at a discounted price for the holiday weekend. "这家商店在假日周末打折出售床垫。materialitembuildingChat with AIVocabulary GamePractice Reading
noun🔗Share护坡， 褥垫. A form of retaining wall used to support foundations or an embankment"To prevent the riverbank from eroding, construction workers laid down interconnected mattresses of rock and wire. "为了防止河岸被侵蚀，建筑工人们铺设了相互连接的石笼护坡。architecturebuildingmaterialChat with AIVocabulary GamePractice Reading
