undeterminable的意思|示意

He recalls a mother in her late 20s who came to him because she had an inoperable defect in her aorta that would rupture at some undeterminable time in the future, killing her instantly.

他提起这样一位母亲：将近30岁的她来求助，因为在她的一条主动脉上存在着某种缺陷（inoperable defect 。 译者很迷茫），所以主动脉会在将来的某个不确定的时间爆裂，这会使得她当场死亡。

Because the position of the kilns is undeterminable, the research work is only based on the guess record of the two kilns of the product handed down from ancient times.

因窑址的位置无法确定，研究工作只能停留在对其传世品以及古文献有关两窑瓷器记载的只言片语推测之上。