topspin /ˈtɒpspɪn/ 📖 中文释义 n. <网球>上旋 🧩 词形变化 复数 topspins 📘 English Definition(英文释义) n. forward spin (usually of a moving ball) that is imparted by an upward stroke ← topsoils T 字母词表 topspins →