柯林斯詞典zinc /z??k/ 1. N-UNCOUNT Zinc is a bluish-white metal which is used to make other metals such as brass, or to cover other metals such as iron to stop rust from forming. 鋅 返回 zinc劍橋詞典a chemical element that is a bluish-white metal , used in making other metals or for covering other metals to protect them 鋅 返回 zinc