- An angle greater than 90° and less than 180°.钝角：一个大于90°而小于180°的角
- water snake
- water softener
- water-soluble
- water-soluble
- water spaniel
- watersport
- waterspout
- water sprite
- water strider
- water supply
- water system
- water table
- water taxi
- water thrush
- watertight
- water tower
- Watertown
- water turkey
- water vapor
- water-vascular system
- Waterville
- waterway
- waterweed
- water wheel
- water wings