Read Edit View history 一垒 yīlěi first base Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 一垒/一壘 · yīlěi · first base 2026/03/10 一垒 / 一壘 yīlěi first base in baseball, the first of the four bases that a runner must touch in succession. 他打出了一个安打，成功跑上了一垒。 abbreviation created sense Mar 10, 2026, 02:17 PM