| 释义 |
Related topics: Elementsˈtrace ˌelement noun [countable] technical 1. a chemical element that your body needs a very small amount of to live 微量元素〔人体所需的微量化学物质〕2. a chemical element that only exists in small amounts on Earth 痕量 元素ˈtrace ˌelement nounChineseSyllable |