unbridgeable

adj.

不能架桥的，不能逾越的；

1. By the next day, it had risen 9 meters, becoming unbridgeable.
   第二天，水位升到九米，已无法架桥。
2. He believed there was an unbridgeable gulf between him and his parents.
   他认为自己与父母之间有不可逾越的鸿沟。

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