baseline
/ˈbeɪslaɪn/noun
1
- a minimum or starting point used for comparisons（用于比较的）基数; 起点。
2
- (in tennis, volleyball, and other games) the line marking each end of a court（网球、排球等运动场的）底线。
3
- Baseball the line between bases which a runner must stay close to when running【棒球】垒线。
4
- Printing the imaginary straight line through the feet of most letters in a line of type【印刷】基线。