illuminant
🇬🇧/ɪˈluːmɪnənt/ 🇺🇸/ɪˈluːmənənt/something that provides or gives off light 光源
noun [抽象名词] 发光体，光源
Want to use auxiliary illuminant to build atmosphere additionally. 另外要利用辅助光源营造气氛.
adjective [原级] 发光的
High illuminant efficiency, long life. 发光效率高, 耗电少,寿命持久.
