serrations 📖 中文释义 (serration 的复数) n. 锯齿状, 锯齿边[医] 锯齿形, 锯齿构造 🧩 词形变化 原形 serration 📘 English Definition(英文释义) plural of serrationn. the condition of being serratedn. a row of notchesn. a single notch in a row of notches ← serration broach S 字母词表 Serratula →