to move easily over a smooth or wet surface; to make sth move in this way （使）滑行，滑动
(+ adv./prep.)
We slid down the grassy slope.
我们从草坡上滑了下来。
The drawers slide in and out easily.
这几个抽屉好推好拉。
~ sth + adv./prep.
She slid her hand along the rail.
她把手搭在栏杆上滑动着。
~ (sth) + adj.
The automatic doors slid open.
自动门慢慢开了。