esophageal ring

常见例句

双语例句

• At the lower end of the esophagus is a small ring of muscle called the lower esophageal sphincter (LES).
  在食管的末端有一个较小的环形肌肉叫做下食管括约肌（LES）。
• Other research has shown that these prescription antianxiety drugs loosen up the lower esophageal sphincter, the ring of muscle that keeps stomach acid where it belongs.
  另一项研究也显示，这些处方抗焦虑药物松弛了下食道括约肌，这种括约肌可以保持胃酸。
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