| 单词 | precursor |
| 释义 | precursor UK [ˌpri:'kɜ:.sər] US [-'kɝ:.sɚ] slightly formal noun countable ■something which happened or existed before another thing, especially if it either developed into it or had an influence on it 先驱，先锋；先兆，前兆 •Sulphur dioxide is the main precursor of •Biological research has often been a precursor to |
| 随便看 |
101BT英语在线翻译词典收录了36528条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。