Ossification of spinal ligaments, such as ossification of ligamenta flava (OLF) and ossification of posterior longitudinal ligament in the cervical spine, is not common and usually asymptomatic.是什么意思_Ossification of spinal ligaments, such as ossification of ligamenta flava (OLF) and ossification of posterior longitudinal ligament in the cervical spine, is not common and usually asymptomatic.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句