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 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.
那客货车沿堤坝向下滑动了（几英尺）。 The van slipped (a few feet) down the embankment.
滑动皮环通过滑动以改变鼓弦张力的皮环 A leather loop that slides to change the tension on the cord of a drum.
这种费用是根据收入高低滑动折算的。 Fees are calculated on a sliding scale according to income.
