Barium enema
柯林斯词典
1. N an injection into the rectum of a preparation of barium sulphate, which is opaque to X-rays, before X-raying the lower alimentary canal 钡剂灌肠
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1. N an injection into the rectum of a preparation of barium sulphate, which is opaque to X-rays, before X-raying the lower alimentary canal 钡剂灌肠