trace element
noun [ C ] uk/ˈtreɪs ˌel.ɪ.mənt/ us/ˈtreɪs ˌel.ɪ.mənt/
微量元素
one of several types of simple chemical substance that are necessary for healthy growth and development, and exist in animals and plants in very small amounts
| 词汇 | trace element |
| 类别 | 英译汉、英汉双解翻译词典 |
| 释义 | trace element noun [ C ] uk/ˈtreɪs ˌel.ɪ.mənt/ us/ˈtreɪs ˌel.ɪ.mənt/ 微量元素 one of several types of simple chemical substance that are necessary for healthy growth and development, and exist in animals and plants in very small amounts |
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