unsurmountable

adj.

not capable of being surmounted or overcome

同义词：insurmountable

incapable of being surmounted or climbed

同义词：unclimbable

Changes in the gastric mucosa of the mouse associated with long lasting unsurmountable histamine H2 blockade.
Association of long lasting unsurmountable histamine H2 blockade and gastric carcinoid tumours in the rat
Unsurmountable antagonism of brain 5-hydroxytryptamine2 receptors by (+)-lysergic acid diethylamide and bromo-lysergic acid diethyla...
An analysis of unsurmountable antagonism to 5-hydroxytryptamine in the isolated perfused rat kidney: evidence for pseudoirreversible...
The Leadership Hypocricy of Four Million Parties and its Unsurmountable Consequences on the Political Dimension of Nation Building -...
Russia and the West: Unsurmountable Structural Contradictions
An unsurmountable solitude. Private world and shared world in Philip K. Dick
“An Unsurmountable Abyss” – the Ravensbrück Camp Complex
The Aardvark Speaks: Unsurmountable difficulties
Russell’s description theory: unsurmountable difficulties from a rigorous logical-analytical standpoint