3. peep:positive expiratory end pressure; 呼气末正压
4. peep:positive end-expiratory pressure ventilation; 呼吸末正压通气
5. peep:positive end-expiratory pressure; 呼气末正压通气
动词窥视,偷看; (小鸟等)唧唧地叫; (从隐蔽处)出现
名词窥视; 唧唧声; 隐现; 慢慢露出