baseline

noun

🔊/ˈbeɪslaɪn/

[usually singular]

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(sport体育) a line marking each end of the court in tennis or the edge of the area where a player can run in baseball （网球场的）底线；（棒球场的）垒线Topics Sports: ball and racket sportsc2
(specialist) a line or measurement that is used as a starting point when comparing facts（用于比较的）基准，基线
- The figures for 2014 were used as a baseline for the study.这项研究以 2014 年的数据为基准。