三み日か月づき藻も

noun

Closterium (genus of algae)

A genus of desmid algae with crescent-shaped cells, commonly found in freshwater.

• 池いけの水みずを顕けん微び鏡きょうで見みると、三み日か月づき藻もがたくさんいた。

  When I looked at the pond water under a microscope, there were many Closterium.