shellfish

n (pl unchanged 复数不变) (a) [C] type of water animal with a shell, esp one of the edible types, eg oysters, mussels, crabs and shrimps 水生有壳动物（如牡蛎、 贻贝、 蟹及虾等可食用者）. (b) [U] such animals as food （作食物用的）水生有壳动物: I eat lots of shellfish. 我常吃虾、 蟹及贝类食物.

sheer, sheet, sheet lightning, sheet music, sheeting, sheikh (also sheik), sheikhdom (also sheikdom), sheila, shekel, sheldrake, shelduck, shelf, shelf-life, shelf-mark, shell, shell bean, shell-shock, shell-shocked, shellac, shellacking, shelter, sheltered, shelve, shelves, shelving, shemozzle, shenanigans, shepherd, shepherd's pie (also cottage pie), shepherdess, Sheraton, sherbet, sherd, sheriff, Sherlock Holmes, sherry, Shetland, Shetland pony, Shetland wool, shew,