按这种方法对5例患者（平均71.4岁）的7节椎体进行手术。
Seven vertebrae in5 patients ( mean age of71.4 years ) were managed with this procedure .
在我6岁那年的情人节，他给我带来了第一次美妙的回忆。
My first recollection of the magic he could bring to Valentines day came when I was six .
岁节