potholes

n.

壶穴( pothole的名词复数 )；

10 potholes in the road to information quality
The use of prairie potholes by North American ducks
Mission Unfulfilled: Potholes on the Road to Mental Health Parity
Ground-water hydrology of prairie potholes in North Dakota
Implementing change : patterns, principles, and potholes
Filling potholes: macroeconomic effects of maintenance versus new investments in public infrastructure
From High School to the Future: Potholes on the Road to College. Research Report.
Breeding bird communities of recently restored and natural prairie potholes
Potholes on the Road to College: High School Effects in Shaping Urban Students' Participation in College Application, Four-Year Coll...
Overlap in Foods and Foraging of Four Species of Blackbirds in the Potholes of Central Washington