| 单词 | economic activities |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔mineral〕A substance, such as stone, sand, salt, or coal, that is extracted or obtained from the ground or water and used in economic activities.矿物：一种物质，如石头、沙子、盐或煤，从土地或水中提取或获得，用于经济运行中美国传统 |
英语例句辞典收录了559068条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。
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