| 单词 | roche alum |
| 释义 | roche alum[ rohch ] / roʊtʃ / noun Chemistry.an alumlike substance derived from alunite. Origin of roche alum1400–50; roche cliff, rocky height (now obsolete), late Middle English (see rock1); apparently partial translation of Middle French alum en roque, alun de roche Words nearby roche alumRocard, Rocephin, Rochalimaea, Rochambeau, Rochdale, roche alum, Roche limit, Rochelle, Rochelle powder, Rochelle powders, Rochelle salt Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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