Background: Achalasia is the functional disorder of primary esophageal motility, and one of its treatments is pneumatic dilatation therapy.是什么意思_Background: Achalasia is the functional disorder of primary esophageal motility, and one of its treatments is pneumatic dilatation therapy.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句