reflux

• 指液体（如胃液、血液等体液）异常地反向流动，或指海水的退潮。

A noun describing an abnormal backward flow of body fluids, or the outward flow of the tide.

1. Abnormal backward flow of body fluidsB2formalmedical

   The backward or return flow of a bodily fluid, especially stomach acid into the esophagus.

   反流

   • Acid reflux can cause a burning sensation in the chest.
   • The doctor diagnosed her with gastroesophageal reflux disease.
   • He experiences reflux after eating spicy foods.

   同义词backflowregurgitation

2. Outward flow of the tideC1formal

   The movement of the tide as it recedes from the shore.

   退潮

   • The reflux of the tide left the beach covered in seaweed.
   • Sailors must be aware of the reflux to avoid grounding their boats.
   • The harbor empties during the reflux of the sea.

   同义词ebb

   反义词floodflowinflux