palpitation due to fright

例句：

1. 1. Heexperienced a palpitation after the suddennoise.
   他在突然的噪音后经历了一次心悸。
2. 2. The doctor prescribed medication to help himmanage his palpitations.
   医生开了药来帮助他管理他的心悸。
3. 3. Palpitations are often caused by stress or anxiety.
   心悸通常是由于压力或焦虑引起的。