quicksand造句
31. Only the wind is still in the air with low moans, leaving featherweight quicksand to make time offering.
32. The movie also shows quicksand, man-eating ants and enormous Hawaiian waterfalls, all of which do not exist in the Peruvian Amazonia.
33. The results show that the silt, coarse sand and gravel with small amount of clay are easier to quicksand.
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