helter-skelter

n tall tower at a fun-fair, etc with a spiral track outside it that people slide down on mats （游乐场等处的）螺旋滑梯.

helluva, helm, helmet, helmeted, helmsman, help, help forward, help oneself, help sb. do sth, help sb. out, help sb. with sth., helper, helpful, helpfully, helpfulness, helping, helpless, helplessly, helplessness, helpmate, helve, hem, hem(o)-, hem-line, hem-stitch, hemisphere, hemispherical, hemlock, hemophilia, hemorrhage, hemp, hempen, hen, hen-coop, hen-house, hen-party, hence, henceforth, henchman, henna,