walls

BNC频率: 18881

雅思

n. 墙壁；墙体（wall的复数）

n an architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure

n anything that suggests a wall in structure or function or effect

n (anatomy) a layer (a lining or membrane) that encloses a structure

n a difficult or awkward situation

n a vertical (or almost vertical) smooth rock face (as of a cave or mountain)

n a layer of material that encloses space

n a masonry fence (as around an estate or garden)

n an embankment built around a space for defensive purposes

v surround with a wall in order to fortify

变形:s3

原型:wall

as, a cell or minute cavity in the walls of the air tubes of the lungs

a narrow street with walls on both sides

n a narrow street with walls on both sides

A white fibrous mineral frequently found on the walls of mines and quarries, chiefly hydrous sulphate of alumina

sclerosis of the arterial walls

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