She stumbled and fell, scraping her palms and knees.她绊了一下摔倒了，手掌和膝盖都蹭破了。Patrick lifted the gate to prevent it scraping along the ground.帕特里克把门抬起来免得刮着地面。She went round the car scraping the frost off the windows...她把结霜的车窗挨个...