slacklining
noun [ U ] uk/ˈslæk.laɪ.nɪŋ/ us/ˈslæk.laɪ.nɪŋ/
走绳，走扁带
the activity of walking along a rope or a narrow piece of strong fabric that is stretched above the ground between two points, less tightly than a tightrope
Slacklining is a sport that can improve your balance, posture, and concentration. 走绳运动可以帮助提高平衡能力、姿势和注意力。
If you've ever wanted to walk a tightrope high above the circus floor but got nervous just thinking about it, slacklining may be for you. 如果你曾经梦想在马戏团上空走钢丝，但想想就会紧张，那么走绳可能会适合你。