shell in Chinese

A hard external covering of an animal.

(entomology) The exoskeleton or wing covers of certain insects.

(weaponry) A hollow, usually spherical or cylindrical projectile fired from a siege mortar or a smoothbore cannon. It contains an explosive substance designed to be ignited by a fuse or by percussion at the target site so that it will burst and scatter at high velocity its contents and fragments. Formerly called a bomb.

(architecture) Any slight hollow structure; a framework, or exterior structure, regarded as not complete or filled in, as the shell of a house.

(chemistry) A set of atomic orbitals that have the same principal quantum number.

An emaciated person.