im·pass·a·ble
adjective/ɪmˈpɑːsəbl/
/ɪmˈpæsəbl/
- (of a road, an area, etc.) impossible to travel on or through, especially because it is in bad condition or it has been blocked by something
不能通行的（尤指因路况恶劣或被阻断） - The mountain roads are totally impassable to cars in winter.
冬天的山路根本无法通行汽车。 - After the storm, many roads were made impassable by fallen trees.
暴风雨过后，许多道路因倒下的树木而无法通行。 - The river formed an impassable barrier for migrating animals.
这条河对迁徙的动物形成了不可逾越的屏障。 - The river’s broad mudflats were thought completely impassable.
人们曾经以为这条河的泥滩部份太宽，根本无法通行。
Oxford Collocations Dictionaryverbs- be
- become
- remain
- …
- completely
- totally
- almost
- …
Word Originmid 16th cent.: perhaps via French. - The mountain roads are totally impassable to cars in winter.