left atrium
US /ˌleft ˈeɪ.tri.əm/
UK /ˌleft ˈeɪ.tri.əm/

1.
左心房
the left upper chamber of the heart that receives oxygenated blood from the lungs and pumps it into the left ventricle
:
•
Blood flows from the lungs into the left atrium.
血液從肺部流入左心房。
•
A common heart condition affects the function of the left atrium.
一種常見的心臟病會影響左心房的功能。