The second lumbar vertebra was taken out to determine the contents of calcium, phosphorus and organic substances,and the third lumbar vertebra was taken out to measure the biomechanics properties.是什么意思_The second lumbar vertebra was taken out to determine the contents of calcium, phosphorus and organic substances,and the third lumbar vertebra was taken out to measure the biomechanics properties.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句