英文：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.
中文：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
英文：A ballroom dance of Dominican and Haitian folk origin, characterized by a sliding step.
中文：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
英文：Fees are calculated on a sliding scale according to income.
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