shell

贝壳, 壳, 外形, 炮弹

ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile; fired from a large gun; the material that forms the hard outer covering of many animals; the hard usually fibrous outer layer of some fruits especially nuts; the exterior covering of a bird's egg

去壳, 脱落, 炮轰

剥落, 脱壳

壳

硬壳