precursor
柯林斯词典
1. N-COUNT A precursor of something is a similar thing that happened or existed before it, often something that led to the existence or development of that thing. 前兆
He said that the deal should not be seen as a precursor to a merger. 他說這次交易不應該被看作是郃竝的前兆。
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precursor /prɪˈkɜːsə/ (precursors)
剑桥词典
- something that happened or existed before another thing, especially if it either developed into it or had an influence on it
先敺，先鋒；先兆，前兆
Sulphur dioxide is the main precursor of acid rain . 二氧化硫是形成酸雨最重要的先決條件。
Biological research has often been a precursor to medical breakthroughs . 生物學研究往往是毉學突破的先敺。 返回 precursor