Improvement of visual acuity in small size tumors was better (improvement rate of 90.0%) than that of great size tumors (improvement rate of 50.0%).是什么意思_Improvement of visual acuity in small size tumors was better (improvement rate of 90.0%) than that of great size tumors (improvement rate of 50.0%).在线翻译_英语_读音_用法_例句