恩……不管图有些意思，例句也很优美呢~~
pebble n.小圆石, 小鹅卵石
Memory is a child walking along the seashore .You can never tell which 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捡起哪块小石头珍藏起来。