impassable

impassable roads; impassable problems.

不能行道路；不能克服问题

The mud made the roads impassable.

道路因为泥泞而法行。

the narrow channels are impassable to ocean-going ships.

狭窄海峡不能行去往大洋船只。

There was an impassable barrier between the white race and the one which they had reduced to slavery.

在白色人种和被他们奴役种族之间有一道不可逾越障碍。