impassable

adj.

不能通行的，无法通过；不可逾越；

1. When the road became impassable, we had to ditch the car and walk.
   道路无法通行时，我们只好弃车步行。
2. They may include impassable mountain ranges, oceans, or vast deserts.
   包括不能通行的山脉、海洋或辽阔的沙漠。

Impassable ureteral strictures: management with percutaneous ureteroneocystostomy
Rejection of Impassable Substrates by Yersinia Type III Secretion Machines
Emergency cardiopulmonary bypass for impassable airway
Impassable YscP Substrates and Their Impact on the Yersinia enterocolitica Type III Secretion Pathway
A PULL-THROUGH OPERATION FOR IMPASSABLE TRAUMATIC STRICTURE OF THE URETHRA †
Crossing the impassable: genetic connections in 20 reef fishes across the eastern Pacific barrier
Core through internal urethrostomy in management of impassable traumatic posterior urethral strictures
Laser-resistant guide probe for laser treatment of endoscopically impassable tumour stenoses.
Core-through optical internal urethrotomy in management of impassable traumatic posterior urethral strictures
Smoltification in an Impounded, Adfluvial Redband Trout Population Upstream from an Impassable Dam: Does It Persist?