baseline

• 名词，指用作测量或比较的起始点、标准或基准线，常用于体育、数据分析等领域。

A noun referring to a starting point, standard, or reference line used for measurement or comparison in various contexts, including sports and analysis.

1. Measurement standardB2formaltechnical

   A starting point or reference point used for comparisons or measurements.

   基线

   • The company uses last year's sales as a baseline for this year's targets.
   • Researchers established a baseline for normal blood pressure levels.
   • We need to set a baseline before we can measure any improvement.

   同义词benchmarkcriteriongaugenormreferencestandardyardstick

2. Tennis court lineB1formalsport

   The back line at each end of a tennis court, which the server must not cross when serving.

   底线

   • The server stepped on the baseline, resulting in a foot fault.
   • She hit a powerful shot from the baseline.
   • Players often rally from behind the baseline.

3. Baseball pathB1formalsport

   The direct path between bases on a baseball field that a runner must follow.

   垒间线

   • The runner stayed on the baseline to avoid being tagged out.
   • He ran straight down the baseline toward second base.
   • The umpire checked if the runner left the baseline.