circuit是什么意思

　　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。