古埃及人用芦苇制成的笔在莎草纸上书写。

The ancient Egyptians wrote on papyrus using a ___calamus made from reeds.

他用芦苇的中空茎干做了一个简单的笛子。

He made a simple flute from the hollow ___calamus of a reed.

这种手杖是用菖蒲植物的茎制成的。

This walking stick is crafted from the stem of a ___calamus plant.