单词 | rock hammer |
释义 | > as lemmasrock hammer rock hammer n. a hammer used for rock-breaking. ΚΠ 1853 Weekly Raleigh (N. Carolina) Reg. 10 Aug. Just Received a lot of Blasting Powder, Picks, Rock Hammers, Blasting Fuse, [etc.]. 1874 R. W. Raymond Statistics Mines & Mining 408 In preparing ore for the stamps,..I used merely rock-hammers. 2005 M. Bjornerud Reading Rocks ii. 52 These sediments..had to be buried by other layers and then evade erosion just long enough for humans wielding rock hammers to find them. < as lemmas |
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