upper alimentary tract

• 上消化道

upper alimentary tract的用法和样例：

例句

1. Hemobilia is manifested by upper gastrointestinal bleeding.
   胆道出血表现为上消化道出血。
2. This occurs most often in the esophagus, but may also be seen elsewhere in the GI tract.
   常常发生在食管，但也可以发生在上消化道任何地方。