As a mass noun: a very light, porous, grey or pale-coloured volcanic rock, proverbial for its dryness and often used as an abrasive in cleaning…
| 单词 | θ212132 |
| 释义 | society > occupation and work > equipment > shaping tools or equipment > [noun] > smoothing or polishing > pumice (3) pumice1422 As a mass noun: a very light, porous, grey or pale-coloured volcanic rock, proverbial for its dryness and often used as an abrasive in cleaning… pumice stonea1425 A piece of pumice; = pumice, n. 1b. pumex1589 = pumice, n. 1. |
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