Tra từ cogwheel - Từ điển Oxford Advanced Learner 8th

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Từ điển Oxford Advanced Learner 8th

cogwheel cog·wheel [cogwheel cogwheels] BrE [ˈkɒɡwiːl] NAmE [ˈkɑːɡwiːl] (also cog) noun a wheel with a series of teeth on the edge that fit between the teeth on the next wheel and cause it to move See also: ↑cog