The first one-year program are the children as "61" sectio nof the clapping song rehearsal.

第一个节目是一年级的小朋友为“六一”节排练的拍手歌。

The National Osteoporosis Foundation, or NOF, says eight of every ten osteoporosis patients are women.

国家骨质疏松基金会或是简称“ NOF ”说，十个骨质疏松症患者中有八个是妇女。

The NOF says a test called Dual-energy X-ray absorptiometry, or DXA, is the best test for osteoporosis. DXA uses radiation from x-rays.

国家骨质疏松基金会说，一种叫作双重能量X 射线吸光测定法，或是DXA 是用来诊断骨质疏松症的最佳途径。