1. 拉鏈由平行的金屬、塑料或尼龍的齒狀物制成的，在開口臨近邊緣上被滑動的拉環(huán)鎖住的緊扣物
   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.
2. 那客貨車沿堤壩向下滑動了（幾英尺）。
   The van slipped (a few feet) down the embankment.
3. 滑動皮環(huán)通過滑動以改變鼓弦張力的皮環(huán)
   A leather loop that slides to change the tension on the cord of a drum.
4. 這種費用是根據(jù)收入高低滑動折算的。
   Fees are calculated on a sliding scale according to income.

滑的英語翻譯：

動的英語翻譯：