first base Meaning, definition in Cambridge English Dictionary
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Meaning of "first base" - English Dictionary

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first basenoun [C usually singular]

uk   us  
in baseball, the first of four places you must run to after hitting the ball and before scoring a point, or the position of a player defending this place: Mattingly played first base for the Yankees.
Translations of “first base”
in Chinese (Traditional) (棒球的)一壘,一壘手的防衛位置…
in Chinese (Simplified) (棒球的)一垒,一垒手的防卫位置…
(Definition of first base from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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