pumice造句
31. A pyroclastic flow is a ground-hugging avalanche of hot ash, pumice, rock fragments, and volcanic gas that rushes down the side of a volcano at several hundred miles an hour.
32. If you suffer from these problems you can file them down with a pumice stone.
33. According to Gerard Kuiper, of the University of Chicago, the escape of gases from the moon's magma may have given the satellite a light, porous consistency, like that of a pumice stone.
34. "Do you have scruples about that old headman in the temple?"The sea pumice disagrees a way.
35. The results indicate that the shape and aperture distributing variability of processed pumice granule.
36. It is made of sand, cement and lightweight aggregate, etc. Some of the lightweight aggregates include pumice, stuff, expanded clays (haydite), etc.
37. The pumice with the light and dark bands is the important evidence.
38. Marilyn's pitted skin, breasts of carved pumice, volcanic thighs, a face of ash.
39. Natural Lava Rock Pumice Exfoliates . Exfoliates and smoothes rough skin.
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