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metre (of a poem); meter; rhythm
prosody
この詩は韻律が美しく心に響く。
This poem has a beautiful rhythm that resonates with the heart.
韻律を意識して短歌を詠んだ。
I composed a tanka with attention to its metre.
英語の韻律と日本語の韻律は異なる。
The metre of English and that of Japanese are different.