She made a slow circuit of the room.
她绕着房间缓缓地走了一圈。
I do circuit training once a week.
我每周做一次循环训练。
He was just starting to become known on the cabaret circuit.
他在卡巴莱歌舞表演圈中刚刚开始有点名气。
There is an internal circuit breaker to protect the instrument from overload.
内置有断路器，防止设备过载。
Any attempts to cut through the cabling will break the electrical circuit.
只要一割断电缆，电路就中断。