cycloids 📖 中文释义 (cycloid 的复数) n. 摆线, 轮转线a. 圆形的, 循环性格的 🧩 词形变化 原形 cycloid 📘 English Definition(英文释义) plural of cycloidn. a line generated by a point on a circle rolling along a straight lines. resembling a circle ← cycloidotron C 字母词表 cycloinverter →