pothole

n.

壶穴；

复数：potholes

1. While the manager expressed hope that their three-game series in Colorado was "just a pothole ,"he acknowledged the series' impact on the Yankees' collective psyches.
   虽然老爹表示出希望这在科萝拉州的三连战只是个颠颇的坑洞，他了解到这系列赛队洋基整体心理的影响。

Duck Nest Success in the Prairie Pothole Region
The pothole patrol:using a mobile sensor network for road surface monitoring
Characteristics of recently restored wetlands in the prairie pothole region
Factors Associated with Duck Nest Success in the Prairie Pothole Region of Canada
Distribution and Abundance of Predators that Affect Duck Production-Prairie Pothole Region
The interaction of ground water with prairie pothole wetlands in the Cottonwood Lake area, east-central North Dakota, 1979–1990
Hydrology of Prairie Pothole Wetlands during Drought and Deluge: A 17-Year Study of the Cottonwood Lake Wetland Complex in North Dak...
A landscape approach to conserving wetland bird habitat in the prairie pothole region of eastern South Dakota.
Local and landscape-level influences on wetland bird communities of the prairie pothole region of Iowa, USA
Importance of individual species of predators on nesting success of ducks in the Canadian Prairie Pothole Region