SA node
英漢例句
- Activation of the heart normally begins in the sinoatrial node.
在正常情況下，心臟的活動始于竇房結(jié)。 - This process continues over and over as the atria refill with blood and other electrical signals come from the SA node.
隨著心房的再次充血和竇房結(jié)電信號的再次產(chǎn)生，這個過程會一直重復(fù)下去。