基本解释吻合口溃疡词组短语短语marginal effect ulcer 吻合口溃疡marginal ring ulcer of cornea 翻译;边缘性环形角膜溃疡英语stomal ulcer marginal ulcer 吻合口溃疡marginal ulcer of gastroenteric stoma 胃肠吻合口边缘溃疡ulcer marginal 溃疡边缘专业释义医药科学缘溃疡吻合口溃疡边缘性溃疡