a dappled horse的用法和样例：
- The dappled horse now began to go ahead.
- The moonlight filtering through makes a dappled，shifting pattern.
- a dapple horse
- No horse has a speed comparable to that of his.
- He was able to dimly distinguish forests of thickly clustered conifers and deciduous trees in a dappled, dazzling, endless sea of trees as they flashed by his sled on both sides.