to come face-to-face with another person
a pile of things, one on top of another.
to move up and down.
to arrange things into different types or groups.
the high, steep side of a mountain or rock.
to put something over or on something else.
to damage something by squeezing it very hard.
to fall slowly, drop by drop.
break or fall apart into small fragments, especially over a period of time as part of a process of deterioration