Recoiling in pain, I'd scrape my back or arms on the scaly tree bark.
我疼得直往后缩,后背或胳膊被粗糙的树皮刮伤。
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Since the shed roof sloped from 7 feet down to 5 feet, I kept bumping the 6-foot 3-inch high crown of my head on the oak rafters. Recoiling in pain, I’d scrape my back or arms on the scaly tree bark.