(7) bile or duodenum fluid countercurrent: Flowing via fiber gastroscope discovers or confirming bile to return is a when cause chronic gastritis main reason.是什么意思_(7) bile or duodenum fluid countercurrent: Flowing via fiber gastroscope discovers or confirming bile to return is a when cause chronic gastritis main reason.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句