n. ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile; fired from a large gun
n. the material that forms the hard outer covering of many animals
n. the hard usually fibrous outer layer of some fruits especially nuts
n. the exterior covering of a bird's egg
n. 贝壳, 壳, 外形, 炮弹
vt. 去壳, 脱落, 炮轰
vi. 剥落, 脱壳
[计] 外壳; DOS内部命令:指定命令行处理程序