She made a slow circuit of the room.

　　她繞著房間緩緩地走了一圈。

　　I do circuit training once a week.

　　我每周做一次循環(huán)訓練。

　　He was just starting to become known on the cabaret circuit.

　　他在卡巴萊歌舞表演圈中剛剛開始有點名氣。

　　There is an internal circuit breaker to protect the instrument from overload.

　　內置有斷路器，防止設備過載。

　　Any attempts to cut through the cabling will break the electrical circuit.

　　只要一割斷電纜，電路就中斷。