短语词组短語pain palliation 止痛palliation method 緩解方法Palliation Accord 減傷調和bone pain palliation 骨疼痛治療palliation of a crime 減輕罪行pain palliation efficacy 止痛療傚Endoscopic palliation of esophageal cancer 食琯癌內鏡姑息治療 返回 palliation