您要查找的是不是：
- RR长间期 Long RR interval
- 心房颤动患者RR长间期的分布规律及其临床意义 Diurnal pattern and clinical implication of long RR interval in patients with atrial fibrillation
- R-R长间期 R-R long interval
- 步行到邮局要走多长间? How long does it take to go to the post office on foot?
- 安全期 safe period
- 月经期 menses
- 楼梯间 stair well
- 第一期 first phase
- 灵长类 Primates
- 单人间 single room
- 班期 schedule (for flight voyage etc.)
- 杂物间 utility room
- 尼罗河有多长? How long is the River Nile?
- 保证期 guarantee period
- 百夫长 centurion
- 蚂蚁间有明确的分工。 There is a clear division of labor in ants.
- 灵长类动物 quadrumana
- 她将围裙系在腰间。 She tied an apron around her waist.
- 四期 fourth phase
- 包皮过长 phimosis
