您要查找的是不是：
- In 150 normal healthy dogs, all pulmonary vein sleeves displayed fast-response action potentials. No spontaneous pacemaker activities, neither early nor delayed afterdepolarizations were observed. 在150只正常健康的狗中，观察到肺静脉袖套管的动作电位都是快速反应的，并没有自发性节律的活动，也没有早期性或是延迟性后去极化现象产生。
- Implant a pacemaker; implant a drug capsule. 植入一个起搏器; 植入一个药物胶囊
- The office has been humming with activity. 办公室一直忙着搞活动。
- The threat of war has depressed business activity. 战争的威胁使经济萧条。
- There has been a lot of activity in the town today. 今天市中心相当热闹。
- The town was humming with activity. 该市镇生气勃勃，呈现一片热闹的景象。
- Stamp collecting is my favorite activity. 集邮是我最喜爱的消遣。
- The store was a scene of great activity. 这家商店顾客盈门。
- He once engaged in anti-government activity. 他一度从事反政府的活动。
- The office is humming with activity. 办公室里一片忙碌。
- sino-atrial pacemaker activity 窦房起搏活性
- pacemaker activity 起搏点活动
- A center of interest or activity. 中心兴趣或活动的中心
- Implant a pacemaker;implant a drug capsule. 植入一个起搏器；植入一个药物胶囊
- Showing no optical activity in polarized light. 无旋光的极化光下无光学反应的
- An increase, as in movement or business activity. 进步，改进，改善运动或商业活动的进步或兴隆
- Foreigner: I have a pacemaker in my body. 外国人：可我安装了心脏起博器。
- Indulgence in or pursuit of sexual activity. 纵欲; 追求肉欲对性行为的放纵或追求
- The phenomena associated with volcanic activity. 火山现象与火山活动有关的现象
- A range of endeavor or activity; a province. 范围努力做 ... 的范围或活动范围; 范围
