waterways

n.

a navigable body of water

a conduit through which water flows

同义词：watercourse

Army Engineer Waterways Experiment Station
Conflict and cooperation along international waterways
Diazinon and chlorpyrifos in urban waterways in Northern California, USA
Carp (Cyprinus carpio) as a powerful invader in Australian waterways
Sedimentary iron geochemistry in acidic waterways associated with coastal lowland acid sulfate soils
Determination of metabolites of xenobiotics in the bile of fish from polluted waterways
Time Lag and Soil Permeability in Ground-Water Observations, Waterways Experiment Station, Corps of Engineers
“Water Wars” and Water Reality: Conflict and Cooperation Along International Waterways
Assessing the risks of aquatic species invasions via European inland waterways: from concepts to environmental indicators.
Learning and memory difficulties after environmental exposure to waterways containing toxin-producing Pfiesteria or Pfiesteria-like ...