floating-moss

• 指自由漂浮在水面或静水、缓流水体上的水生蕨类植物。

A noun referring to free-floating aquatic ferns that grow on the surface of still or slow-moving water.

1. Free-floating aquatic fernsC1formal

   Small, free-floating aquatic plants belonging to the genus Salvinia or Azolla, often found on the surface of still water.

   浮萍

   • The pond was covered with a thick layer of floating-moss.
   • Floating-moss provides shelter for small aquatic creatures.
   • Gardeners often use floating-moss to control algae in water features.