illuminant

🇬🇧/ɪˈluːmɪnənt/ 🇺🇸/ɪˈluːmənənt/ 20
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.

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