Definition: a complete circle that an electric current travels around Level: C2
电流在这个完整的电路中流动。
The current flows around a complete ___circuit.
短路导致电路过载，并触发了安全开关。
A short circuit caused the ___circuit to overload and trip the safety switch.
工程师仔细检查了印刷电路板上的每一个电路。
The engineer carefully inspected every ___circuit on the printed circuit board.
