Encara no tenim significats per a "unscalable barrier".
1Instead of rearing an unscalable barrier of gloomy mountains, Nature here showed a level front of sullen hostility.
2Like ants upon a wall, they scaled that seemingly unscalable barrier, clinging, Heaven knows how, to its ragged perpendicular face.
3In the suburb, where "sets" are divided one from another by unscalable barriers, she could not have aspired to him.
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