Tra từ sandstone - Từ điển Oxford Advanced Learner 8th

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Từ điển Oxford Advanced Learner 8th

sandstone sand·stone [sandstone sandstones] BrE [ˈsændstəʊn] NAmE [ˈsændstoʊn] noun uncountable a type of stone that is formed of grains of sand tightly pressed together, used in building