palpitation

名词 palpitation:

1. a rapid and irregular heart beat
2. a shaky motion
   同义词：shaking, shakiness, trembling, quiver, quivering, vibration

1. I get palpitationsif I run too fast.
   我跑得太快时就心悸。

pal.pi.ta.tion

n.（名词）
A trembling or shaking.
颤动，悸动
Irregular, rapid beating or pulsation of the heart.
心脏急速跳动：规则的，快速的心跳或心脏的博动