sines 📖 中文释义 (sine 的复数) n. 正弦[计] 正弦 🔗 释义中的汉语词正弦 🧩 词形变化 原形 sine 📘 English Definition(英文释义) plural of sinen. ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle ← sinere S 字母词表 sinesoid →