Warning: file_put_contents(/www/wwwroot/ppbbbu/202081.com/cache/181a2292bb619ed82fd15e36b286078d.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/202081.com/index.php on line 55 slacklining是什么意思，slacklining的翻译，slacklining音标、读音、用法和例句_2020年的事情英文词典
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