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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。