atria ['eɪtrɪr]

例句:

• Yet on maximal vagal stimulation, both atria and ventricles come to a standstill.
  然而,以最大刺激作用于迷走神经时, 心房和心室都停搏.
  
• Muscle cells in your ventricles would beat more slowly than those in your atria.
  来自BBC
• Both atria are thinwalled muscular chambers.
  两心房是由薄壁构成的空腔.
  
• The combined contraction of the atria and ventricles is a heartbeat.
  心房和心室的这一系列动作合称为一次心跳.
  
• The upper two chambers are called atria.
  来自BBC
• More commonly, it's the smaller and less crucial upper chambers of the heart, known as the atria, which go into fibrillation.
  来自BBC