哔咔手势指南书籍摘要：He was on the sixth stair when there was a loud, wailing, klaxon-like sound and the steps melted together to make a long, smooth stone slide like a helter-skelter. There was a brief moment when Ron tried to keep running, arms working madly like windmills, then he toppled over backwards and shot down the newly created slide, coming to rest on his back at Harry's feet.然而，那道道如山峰般厚重的掌影，一遇到那一道道力道凌厉的剑光，顿时被击得粉碎。……
