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
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
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.
