protection/prəˋtɛkʃən; prəˈtekʃ$n/n [singular 单数, U] when someone or something is protected, or something that protects you 保护﹔防护: +of the protection of the environment 环境保护+against/from Vitamin C gives protection against cancer. 维生素 C 预防癌症。+for This law provides protection for threatened animals. 这条法规为濒危动物提供了保护。as (a) protection (against sth) He pulled up his collar as protection against the wind. 他把衣领竖起来挡风。