first base

1 first of the bases (base1 6) that must be touched in a game of baseball （棒球运动中的）一垒. 2 (idm 习语) not get to first base (with sth) (infml 口 esp US) not make a successful start (in a project); not even achieve the first step 不能顺利开始（一项计画）; 连第一步也迈不出.

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