O /әu/ 📖 中文释义 interj. 啊, 唉, 哎呀, 哦n. 零[计] 操作, 运算, 输出 🔗 释义中的汉语词哎呀运算输出 📘 English Definition(英文释义) n. the 15th letter of the Roman alphabetn. the blood group whose red cells carry neither the A nor B antigens ← nzrfu O 字母词表 O agglutination →