yo-yo /'jәu,jәu/ ★☆☆☆☆ 📖 中文释义 n. 溜溜球 🧩 词形变化 复数 yo-yos 📘 English Definition(英文释义) n. a toy consisting of a spool that is reeled up and down on a string by motions of the hand ← yo-hope Y 字母词表 yo-yos →