primary industry
noun🔊/ˈpraɪməri ɪndəstri/
🔊/ˈpraɪmeri ɪndəstri/
[uncountable, countable] (the section of industry that provides raw materials to be made into goods, for example farming and mining 第一产业（指农业、矿业等生产原材料的产业）