Atrial septal defect (ASD) and patent ductus arteriosus (PDA) are common congenital heart defects and usually isolate.是什么意思_Atrial septal defect (ASD) and patent ductus arteriosus (PDA) are common congenital heart defects and usually isolate.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句