| 单词 | trial-hole |
| 释义 | > as lemmastrial-hole trial-hole n. ΚΠ 1894 A. Robertson Nuggets 212 He turned from side to side, apparently looking for a digger's trial-hole that would suit his purpose. 1907 Sir W. M. Ramsay in Expositor Sept. 203 The terms of our firman permitted..the making of trial-holes. < as lemmas |
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