COMB in N-COUNT
(放在兩個名詞中間構(gòu)成名詞)表示“和”，“與”，“兼”
-cum- is put between two nouns to form a noun referring to something or someone that is partly one thing and partly another.
例句
...a dining-room-cum-study...
餐廳兼書房
She was a sort of policewoman-cum-prosecutor.
她可以說是警察兼檢察官。