environmental background value中文,environmental background value的意思,environmental background value翻译及用法 2026-10-17 10:06 浏览次数 41 environmental background value英[enˌvaɪərənˈmentl ˈbækɡraund ˈvælju]美[ɛnˌvaɪrənˈmɛntl ˈbækˌɡraʊnd ˈvælju]环境背景值