英汉例句双语例句The most common causes are aortic or pulmonic valve regurgitation.最常见的原因是主动脉瓣或肺动脉瓣反流。Moderate regurgitation was detected in pulmonic, tricuspid and mitral valves.中度返流仅见于肺动脉瓣、尖瓣和二尖瓣。pulmonic regurgitation更多例句词组短语短语pulmonic valve regurgitation 肺动脉瓣回流pulmonic regurgitation更多词组