他建议排便有困难的患者坐在马桶上时，在脚下垫点儿东西，因为这样有助于模拟蹲着的姿势。
He advises patients who are having trouble with bowel movements to place something under their feet while seated on the toilet, as this helps to simulate the squatting position.
传统的扫描仪需要患者采取平躺姿势，这便可能掩盖那些因为移动或姿势改变而引起的疼痛。
Traditional scanners mean patients have to lie flat, which may mask causes of pain that stem from different movements or postures.
他很快发现意见研究肺的专家早发现的事：一个MRI(核磁共振成像)扫描仪能够反映肺部是如何呼吸空气的，但需要患者保持仰卧姿势。
He soon found out what lung specialists already know: an MRI scanner reveals how well a lung moves air, but it only works when the patient is lying on his back.
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