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. 他说这次交易不应该被看作是合并的前兆。
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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
先驱，先锋；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决条件。
Biological research has often been a precursor to medical breakthroughs . 生物学研究往往是医学突破的先驱。 返回 precursor