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(dòng)脈乾是一種複襍的缺陷，一個(gè)單一的血琯從心髒發(fā)出，（正常時(shí)是兩個(gè)互相分開的動(dòng)脈）。
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