How to pronounce “obdurate” in English

And they protect, they cloak the whole soil surface with their vegetation, preserving the soil's architecture and essential structure.And so slowly, over the past few years, we've seen our soil turn from obdurate and unyielding to much softer and looser and richer.And where once there was just grass, turfgrass, we now have a wildflower meadow, a wildlife pond, raised beds for vegetables, a rockery,