base line

柯林斯詞典

baseline /?be?s?la?n/ (also base-line) (baselines)

• 1. N-COUNT The baseline of a tennis, badminton, or basketball court is one of the lines at each end of the court that mark the limits of play. (網(wǎng)球場、羽毛球場或籃球場的)底線[usu sing]

  Martinez, when she served, usually stayed on the baseline. 馬第尼斯發(fā)球的時候，經(jīng)常踩在底線上。

• 2. N-COUNT In baseball, the baseline is the line that a player must not cross when running between bases. (棒球場的)壘線[usu sing]

• 3. N-COUNT A baseline is a value or starting point on a scale with which other values can be compared. (價值的)基準(zhǔn)[usu sing, oft N 'for' n/-ing]

  You'll need such information to use as a baseline for measuring progress. 你需要利用這些信息作為基準(zhǔn)來衡量進展情況。

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