celluloid
/ˈseljulɔɪd; `sɛljəˌlɔɪd/ n[U]
1 plastic made from cellulose nitrate and camphor, used for making many things, eg toys, toilet articles and (formerly) photographic film 赛璐珞.
2 (dated 旧) cinema films 电影片
[attrib 作定语]
the celluloid heroes of one's youth 某人青年时代的电影明星.