duckweed

• 指浮萍科的各种细小水生植物，漂浮在池塘、水田等水面上；也泛指类似的微小浮水植物。

A noun referring to any small or minute aquatic plant of the family Lemnaceae that floats on or near the surface of shallow ponds.

不可数

1. Small aquatic plantB2formalscientific

   Any tiny, free-floating aquatic plant of the family Lemnaceae, typically found on the surface of still or slow-moving freshwater bodies.

   浮萍

   • Duckweed covered the entire surface of the pond, creating a green carpet.
   • The fish in the aquarium enjoy nibbling on the duckweed.
   • Duckweed can grow rapidly and is often used in water purification systems.