Any sufficiently advanced technology is indistinguishable from magic .

任何充实先进的技术与魔法无从区别。

Indeed , sometimes the two are indistinguishable .

事实上，有时这两者是区分不开的。

Come back in 10000 years and cuckoos and sparrowhawks may be indistinguishable .

回到10000年前，杜鹃和雀鹰或许就难以分辨了。

A sound that was indistinguishable to the human ear .

一种为人耳不易察觉的声音。

She was indistinguishable from a human .

她来自一个人没有什么区别。