Methods The subcutaneous part of the external sphincter in the fissure and the internal sphincter under the dentate line were incised under direct vision in 250 patients.是什么意思_Methods The subcutaneous part of the external sphincter in the fissure and the internal sphincter under the dentate line were incised under direct vision in 250 patients.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句