这个公园有一个沿着湖的健身环路。
The park features a fitness ___circuit around the lake.
车手们在著名的摩纳哥赛道上比赛。
The drivers raced on the famous Monaco ___circuit.
今年的冠军在三条不同的赛道上获胜。
This year's champion won on three different ___circuits.