be of service to中文,be of service to的意思,be of service to翻译及用法 2026-10-16 22:57 浏览次数 36 be of service to英[bi: ɔv ˈsɜːvɪs tu:]美[bi ʌv 'sɝvɪs tu]对…有用;为某人效劳