rollover /'rәul,әuvә/ 📖 中文释义 [机] 翻转, 翻模 🔗 释义中的汉语词翻转 🧩 词形变化 复数 rollovers 📘 English Definition（英文释义） n. the act of changing the institution that invests your pension plan without incurring a tax penalty ← rollout R 字母词表 rollover and lifting device →