| 单词 | paving block |
| 释义 | > as lemmaspaving block paving block n. ΚΠ 1854 N. Amer. Rev. July 110 Loose masses of limestone, often as large and angular as paving-blocks of granite. 1992 Earth Mar. 66/1 The rock was used extensively for ship's ballast, paving blocks, aggregate, riprap and railroad ballast. < as lemmas |
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