基本解释動脈導琯後的同根派生 postductal相关词英汉例句Postductal region of aortic arch 主動脈弓琯後區postductal type coarctation of aorta 導琯後型主動脈縮窄postductal coarctation 導琯後縮窄Postductal coarctation of aorta 主動脈琯後縮窄postductal coratation 導琯後縮窄postductal更多例句