| 单词 | proving ground |
| 释义 | > as lemmasproving ground proving ground n. a place for testing or experimentation; a testing ground (also figurative). ΘΚΠ the world > action or operation > endeavour > trial or experiment > trial, test, or testing > [noun] > area used for testing proving ground1835 testing-ground1872 1835 T. A. C. Jones Let. 9 Feb. in Rep. 23rd U.S. Congr. 2 Sess. House (1835) No. 141. 17 Here, too, is space sufficient for a commodious proving ground, uninterrupted by any public highway or common resort. 1899 Westm. Gaz. 27 July 5/2 Experiments are being made at the Sandy Hook proving grounds. 1979 Nature 8 Feb. 430/1 Scientists have used astronomy as a proving ground for theories of gravity ever since Newton explained the sizes and shapes of the planetary orbits. 2000 Amer. Sociol. Rev. 65 507/1 They often appraise their arguments on a limited empirical proving ground. < as lemmas |
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