B2 [ C or U ] the hard outer covering of something, especially nuts, eggs, and some animals（尤指坚果、蛋、某些动物的）壳

[ C ] the basic outer structure of a building or vehicle, especially when the parts inside have been destroyed or taken or have not yet been made（尤指内部遭破坏、被去除或尚未建成的建筑物、车辆的）框架，骨架

[ C ] a container, usually with a pointed end, that is filled with explosives and shot from a large gun炮弹

[ C ] a type of boat used for racing, driven by people using oars (= poles with flat ends)赛艇

a company that is used to hide illegal activities空壳公司

to remove peas, nuts, etc. from their shells or their natural covering剥去…的壳

to fire shells at something炮轰，炮击

short form of she will（she will 的缩略形式）