常見(jiàn)例句The main pulmonary arteries are derived from the sixth aortic arch during intrauterine development.摘要肺主動(dòng)脈是在胎兒時(shí)期時(shí)由第六對(duì)主動(dòng)脈弓衍生而來(lái)。 返回 aortic arches