suff 後缀
1 (with proper ns formingns and adjs 与专有名词结合构成名词和形容词)
*Bostonian
* Brazilian
* Shakespearian
* Libran.
2 (with ns ending in -ics forming ns 与-ics结尾的名词结合构成名词) specialist in 专长于...
*optician
* paediatrician.