影响着一百万多美国人的炎症性肠病，是指能引起肠部炎症的两种慢性病：克罗恩氏病和溃疡性结肠炎。
Inflammatory bowel disease (IBD), which affects as many as 1 million Americans, refers to two chronic diseases that cause inflammation of the intestines: Crohn's disease and ulcerative colitis.
影响着一百万多美国人的炎症性肠病，是指能引起肠部炎症的两种慢性病：克罗恩氏病和溃疡性结肠炎。
Inflammatory bowel disease (IBD), which affects as many as 1 million Americans, refers to two chronic diseases that cause inflammation of the intestines: Crohn's disease and ulcerative colitis.
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