sliding

动词 slide:

1. move obliquely or sideways, usually in an uncontrolled manner
   同义词：skid, slip, slue, slew, slide
2. to pass or move unobtrusively or smoothly
   同义词：slither, slide
3. move smoothly along a surface
   同义词：slide

形容词 sliding:

1. being a smooth continuous motion

1. A fastening device consisting of parallel rows of metal, plastic, or nylon teeth on adjacent edges of an opening that are interlocked by a sliding tab.
   拉链由平行的金属、塑料或尼龙的齿状物制成的，在开口临近边缘上被滑动的拉环锁住的紧扣物
2. A ballroom dance of Dominican and Haitian folk origin, characterized by a sliding step.
   梅伦格舞起源于多米尼加和海地民间的一种适合在舞厅跳的交际舞，以滑步为特征
3. Fees are calculated on a sliding scale according to income.
   这种费用是根据收入高低滑动折算的。
4. I was sliding (about) helplessly (on the ice).
   我(在冰上)身不由己地滑起来了。