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Precursor Pri:ˈkɜ:Sə(R Pri:ˈkɜ:Rsə(R N.["前辈,前驱,先锋,前任","预兆,先兆,初期形式","[核]前驱波,初级粒子","预报器

The word 'precursor' refers to a person or thing that comes before another of the same kind; a forerunner, or a thing that is a necessary condition for something else to happen.

单词 'precursor' 指前辈、前驱、先锋或预兆。

单词 precursor
音标 [pri:ˈkɜ:sə(r)] [pri:ˈkɜ:rsə(r)]
释义 n.["前辈,前驱,先锋,前任","预兆,先兆,初期形式","[核]前驱波,初级粒子","预报器"]

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