基本解释中骨对折英汉例句双语例句Open it up again, fold and press both edges into the center and then fold it along the first crease.再次打开它，折叠和新闻中心都将边缘，然后折沿折痕它的第一个。blog.sina.com.cn词组短语短语CENTER R CREASE FOLD 中骨对折专业释义纺织科学技术中骨对折中骨半数