specialities
Someone's speciality is a particular type of work that they do most or do best, or a subject that they know a lot about.
His speciality is international law.
他的专业是国际法。
A speciality of a particular place is a special food or product that is always very good there.
seafood, paella, and other specialities.
海鲜、西班牙肉菜饭及其他特色食品。