The mean preoperative JOA score was 3.4/11, and it improved to an average of 7.1/11 at final evaluation.是什么意思_The mean preoperative JOA score was 3.4/11, and it improved to an average of 7.1/11 at final evaluation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句