gastrointestinal tract編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看gastrointestinal tractgastrointestinal tract — 名詞名詞1. the series of organs that digest food, from mouth to anus1.名詞釋義胃腸道the series of organs that digest food, from mouth to anus例句The gastrointestinal tract breaks down food into nutrients.