第三人称复数：cavity walls
1. 空心墙：cavity 中空部分;穴 | cavity wall 空心墙 | cease work order 停工令
2. 空斗墙：cavitation 孔洞(39) | cavity wall 空斗墙(42) | cement 水泥(27)
3. 空腔壁：cavity slab 孔穴板 | cavity wall 空腔壁 | ccondense water 冷凝水
4. 空口墙：窗间墙 wall between window | 空口墙 cavity wall | 压底 coping
1. (隔音或防寒的)空心墙，夹层墙
A cavity wall is a wall that consists of two separate walls with a space between them. Cavity walls help to keep out noise and cold.
e.g. ...cavity wall insulation.
空心墙隔音材料
cavity wall
noun
1. a wall formed of two thicknesses of masonry with a space between them