| 单词 | trace element |
| 释义 | trace element From Longman Dictionary of Contemporary EnglishElementstrace elementˈtrace ˌelement noun [countable] technical1 a chemical element that your body needs a very small amount of to live2 a chemical element that only exists in small amounts on Earth |
| 随便看 |
英语词典包含170365条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。