最佳的选择是一片瘦的外脊熏肉，去皮去脂肪，而不是肥腻的，带皮的。
Your best bet is a slice of lean back bacon with the rind and fat cut off, rather than fatty streaky bacon.
目的通过动物实验探讨可吸收PLGA膜预防椎板切除术后硬脊膜外瘢痕粘连的机制及作用。
Objective We want to approach the mechanisms and function of absorbable PLGA membrane in prevention of epidural scar adhesions after laminectomy.
当运行硬脊膜外腔止痛术时，硬脊膜外腔导管阻塞是令人讨厌及困扰的问题。
Obstruction of the epidural catheter is an annoying and troubling complication when we practice epidural analgesia.
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