单词 | reg |
释义 | reg 2(rĕg) n. An extensive, hard desert surface consisting of wind-polished gravel lying on alluvial soil and cemented together by mineralized solutions. [Maghrebi dialectal Arabic, from Arabic riqq, ruqq, from raqqa, to be thin, fine; see rqq in the Appendix of Semitic roots.] |
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