early 15c., "a flowing back (of the sea, etc.)," from Medieval Latin refluxus, from Latin re- "back, again" (see re-) + fluxus "a flowing" (see flux). Digestive sense is recorded from 1937.
权威例句
1. There is reflux of barium into the terminal ileum.
钡剂反流进入回肠末端.
2. Gastroesophageal reflux is the most common cause of vomiting in infants.
胃食管反流是婴儿呕吐的最常见的原因.
3. Reflux leads to recurrent or refractory aspiration pneumonia.