closed circuit

A circuit through which electrons can flow.
A complete electric circuit around which current can flow.
A network of one or more television cameras and television receivers connected together with no provision for broadcasting.

closed loop

closed path

passage-way

made circuit

complete circuit

Oefen met het spreken en memoriseren van " closed circuit " en vele andere woorden en zinnen in Engels .

Toon populariteit in de loop van de tijd