ectopic beat

• 异位收缩,异位性心搏,异位搏动

ectopic beat的用法和样例：

例句

1. This is the first known case of ectopic prostatic tissue in the ureter.
   这是异位性摄护腺组织位于远端输尿管的首例报告。
2. The possible causes of congenital missing teeth and the mechanisms of ectopic eruption were also reviewed.
   本文亦回顾了造成先天性缺牙之原因及导致异位性萌出机转的相关文献。