shell/∫el/

n. the hard protective outer covering of an animal, insect, ect.

n. [C] 壳；贝壳：a crab shell 蟹壳

◇Some little girls were collecting shells at the beach. 一些小女孩在海滩拾贝壳。

音组-ell/-el/

bell; cell; fell; sell; shell; smell; tell; well