public relations; management of communication between an organization and the public

公共关系；管理组织与公众沟通的活动

proportional representation; electoral system allocating seats by vote share

比例代表制；按得票比例分配席位的选举制度

permanent resident status; long-term residence without citizenship

永久居留身份；非公民的长期居留资格

police report; official written account by law enforcement

警方报告；警方出具的正式书面记录

personal record; a person’s best performance in a sport or lift

个人纪录；在运动或训练中的最好成绩

pull request; proposal to merge code changes into a branch

拉取请求；提议将代码更改合并到分支

US postal abbreviation for Puerto Rico

波多黎各的美国邮政缩写

progesterone receptor; cellular protein that binds progesterone

孕激素受体；与孕激素结合的细胞蛋白

PR interval; time from P-wave start to QRS start on ECG

PR间期；心电图中从P波起始到QRS起始的时间

per rectum; administered or examined via the rectum

经直肠；通过直肠给药或检查