| 单词 | dacite |
| 释义 | dacite (once / 590966 pages) n WORD FAMILY dacite: dacites USAGE EXAMPLESChunks of juvenile gray dacite fell like hail, some as large as golf balls. Scientific American(Jan 24, 2013) I went to school at the foot of a mountain made of dacite, the same kind of magma that blew Mount St. Helens apart. Scientific American(Dec 06, 2012) As hikers start toward the “Old Way,” a gully that leads up to the crater, volcanic rocks called dacites and andesites dot the landscape. New York Times(Nov 28, 2012) n a grey volcanic rock containing plagioclase and quartz and other crystalline minerals Hyper volcanic rock extrusive igneous rock solidified near or on the surface of the Earth |
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