墙上突出而外端无支撑的阶梯hanging step 蜿蜒出一条没有尽头的阶梯 an endless turning stairway climbs ..
2
?悬臂踏步
悬臂踏步
双语例句
1
New way: put away all those clothes that are hanging on your exercise machine, get your dumbbells out of the garage, lift all that junk off your step and weight bench and get them ready for some work.