verb 下载 🔗分享 钝化, 表面钝化处理 To reduce the chemical reactivity of a surface by applying a coating Examples : "To prevent rust, the manufacturer passivated the steel screws with a zinc coating. " 为了防止生锈,制造商用锌涂层钝化处理了钢制螺丝。 material chemistry technology science technical process industry 与AI对话词汇游戏阅读练习