化学 かがく的 てき酸素 さんそ要求 ようきゅう量 りょうです ka gakuteki sansoyō kyūryōdesu 敬 敬 Written Form Kana Romaji IPA Pronunciation English Pronunciation Open Menu Search Add to collection Add to collection... Entry Info... Help Help Meanings Pronunciation Comments Noun , Desu Copula The polite form of 化学的酸素要求量 1. Biochemical oxygen demand. Polite Word Pronunciation Help 文 文 DefaultA Romaji[ə] IPAŔ Englishあ Hiraganaア Katakana No variants available for this word. Sign in or join to leave a comment. No discussion yet. Share what you know about this word. Delete Comment ✕ Are you sure you want to delete this comment? This action cannot be undone. Cancel Delete