suff 後缀
1 (with vs forming ns 接在动词後构成名词) person or thing that does 施动的人或事物
*lover
* computer. Cf 参看 -ee, -or.
2 (with ns forming ns 接在名词後构成名词)
(a) person concerned with 与...有关的人
*astronomer
* philosopher.
(b) person belonging to 属于...的人
*New Yorker
* villager
* sixth-former.
(c) thing that has 有...的东西
*three-wheeler
* double-decker.