/ˌɑ:r ən ˈɑ:r ||; ˌɑr ən ˈɑr/abbr (
informal 非正式)
1 rest and recreation (= time spent doing things for enjoyment rather than working) 休息与消遣: She took time out from her schedule to go to a spa for some R & R. 她腾出时间去温泉休息消遣一下。
2 (medical 医学) rescue and resuscitation 急救与复苏