baseline
n.
also base-line, 1750, originally in surveying, from base, n. + line, n.. Baseball diamond sense is from 1867. Baseline estimate in use by 1983.
| 词汇 | baseline |
| 词根词缀 | Online Etymology Dictionary baseline n. also base-line, 1750, originally in surveying, from base, n. + line, n.. Baseball diamond sense is from 1867. Baseline estimate in use by 1983. |
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