常見例句雙語例句Truncus arteriosis is a complex defect where there is a single (normally there are two separate arteries) vessel arising from the heart that forms the aorta and pulmonary artery.共同動脈干是一種復(fù)雜的缺陷，一個單一的血管從心臟發(fā)出，（正常時是兩個互相分開的動脈）。01xyz.com 返回 truncus arteriosis