The boy teases the dog by pebble it with acorn.
男孩子们用橡树果打狗逗它玩。
Memory is a child walking along a seashore. You can never tell what small pebble it will pick up and store away among its treasured things.
记忆犹如一个沿着海边行走的孩子。你永远无法知道它会拣起哪块小石头珍藏起来。
He dropped a pebble from the bridge and waited for the plop.
他从桥上扔下一颗卵石, 然後等著听那扑通的一声.
