1·So when the atria contract, the valves sandwiched between the atria and the ventricles open, and the blood in each atrium flows through its respective valve down into a ventricle.
所以当你的心房收缩时，夹在心房和心室之间的阀门就打开了，然后每个心房里的血液通过各自的阀门流向心室。
2·A special catheter with a balloon in the tip is used to create or enlarge an opening in the atrial septum (wall between the left and right atria).
用一根顶端带有气囊的特殊的导管在房间隔(左心房和右心房之间的壁)上造一个口。
3·Both atria are thin walled muscular Chambers.
两心房是由薄壁构成的空腔。
4·Their atria is opened for us for ever, now tell your friend and you are so carefully them.
他们的心房永远为我们而敞开。现在就告诉你的朋友你有多在乎他们。
5·A heart has two atria and two ventricles, four rooms.
心脏有两个心房与两个心室，四间房。
1·Publisher: Atria Books/Beyond Words; Original edition (September 28, 1999)
出版者：门廊书店/经在不言中；原版（1999年9月28日）
2·From the three main entrances visitor flows are thereafter guided to two interior atria.
然后，访客从这三个主要入口被引向了两个室内门廊。