ruby { ruby-align: space-around; }

<p lang="ja"><ruby><rb>頤和園</rb><rt>yíhéyuán</rt></ruby><ruby><rb>頤和園</rb><rt>yí hé yuán</rt></ruby></p> <p lang="zh"><ruby><rb>頤和園</rb><rt>yíhéyuán</rt></ruby><ruby><rb>頤和園</rb><rt>yí hé yuán</rt></ruby></p>