| 单词 | precursor |
| 释义 | precursorsee ⇨ before 4 pre·cur·sor /prɪ`kɜsə; prɪˈkɜːsə/n [c]formal something that existed or happened before something else and influenced its development 【正式】 前身，初期形式; 先驱:◇+ of a machine that was the precursor of the computer 是电脑的前身的机器 |
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