Methods: Gray scale and color floppier ullrasonography was performed on 22 children with left renal vein entrapment syndrome and 15 normal children.是什么意思_Methods: Gray scale and color floppier ullrasonography was performed on 22 children with left renal vein entrapment syndrome and 15 normal children.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句