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reed pipe; reed flute
少年は河原で葦笛を吹いていた。
The boy was playing a reed flute by the riverbed.
葦笛の素朴な音色が心に染みた。
The simple tone of the reed flute touched my heart.
手作りの葦笛を子供に渡した。
I gave a handmade reed flute to the child.