合成词是seafood,意思是海味、海鲜,例如:

1、Try the seafood plate.请尝尝这道海鲜。

2、The fish or seafood is heavily salted with pure sodium chloride.鱼或海鲜被抹了厚厚的纯盐腌制起来。

3、Seafood is a speciality on the island.海味是岛上的特产。