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同义词： pounds per square inch
以上来源于: WordNet
ABBREVIATION for in New Zealand Public Service Investment Society, New Zealand's largest credit union (新西兰)公共服务投资社团
Yoga students frequently develop a specific pain pattern that's characterized by a dull ache over an area about the size of a quarter and is centered on the PSIS on one side of the body only.
瑜伽练习者常常有这种时断时续的疼痛，只集中在一侧的髂后上棘处一枚硬币大小的地方。
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