Tra từ coalface - Từ điển Oxford Advanced Learner 8th

Từ điển Oxford Advanced Learner 8th

coalface coal·face [coalface coalfaces] BrE [ˈkəʊlfeɪs] NAmE [ˈkoʊlfeɪs] (also face) noun the place deep inside a mine where the coal is cut out of the rock •The miners had to crawl to reach the coalface. Idiom: ↑at the coalface See also: ↑face