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发音：[prɪˈkɜrsər]
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例句：
- The vocabulary precursor is something that happens before something else.
- Winter sale advertisements on the streets are precursors of holidays, such as Christmas Day or the Chinese New Year Festival.
- Muddy Waters’ short report on Luckin Coffee is a precursor to the company’s financial thunderstorm, management malfeasance, and flaws in its business model.
- Some Ukrainian officials have warned that a military exercise involving Russia could be a precursor to a new offensive aimed at Kyiv.
- Morgan Stanley’s chief U.S. economist, Ellen Zentner, says “accelerating inflation has been a common precursor to recessions,” but one isn’t likely to hit soon.
- As a precursor to raising rates, the bank’s bond-buying program, a way of keeping borrowing costs down and injecting money into the system, is set to end in early July, research reports have foreshadowed.
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解释：
- Precursor这个单词为名词，表示“A precursor is something that happens before something else”这一含义，即”先兆/先驱/先锋/前驱物/预示”，与forerunner/harbinger/herald/predecessor“构成近义词。
- 具体使用场景如下：
- The 18th-century lyric poets such as Robert Burns were precursors of the Romantics.（罗伯特·伯恩斯「Robert Burns」等18世纪的抒情诗人是浪漫主义的先驱。）
–Arts - Opposition by colonists to unfair taxation by the British was a precursor of the Revolution.（殖民者反对英国人不公平的税收是革命的前兆。）
–History - The large amount of money issued by the government is usually a precursor to inflation.（政府大量发行货币通常是通货膨胀的前兆。）
–Politics - A precursor to the Metaverse could also be found in Second Life, an online social platform developed by Linden Lab nearly two decades ago, where people created digital representations of themselves to socialize with others.（元宇宙的前身也可以在第二人生中找到，这是林登实验室近二十年前开发的在线社交平台，人们在其中创建了自己的数字表示来与他人社交。）
–Technology
