| 单词 | proof-ground |
| 释义 | > as lemmasproof-ground proof-ground n. ΚΠ 1875 Times 17 Nov. 5/6 It was considered necessary to attach in the rear one of the locomotives..in order to regulate and control the speed in descending the rather steep incline to the proof ground. 1910 Oakland (Calif.) Tribune 20 Nov. 19 While closing the breech during the proof fire of a five-inch 51-caliber gun on the third proof grounds, a premature explosion took place. 2002 RosBusinessConsulting Database (Nexis) 3 Oct. The discovery of mines and unexploded shells in the proof ground of the military base located in Vaziani. < as lemmas |
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