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Abnormal rearward curvature of the spine, resulting in protuberance of the upper back ; hunchback.
脊柱后凸,驼背脊椎不正常地向后弯曲, 导致背部上方凸出;驼背.
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Japanese whale hunters plan to capture 50 humpback whales in the Antarctic in the coming months.
日本捕鲸者计划下个月在南极捕获50头驼背鲸.
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