stonefly /s'təʊnflaɪ/ 📖 中文释义 石蝇 🧩 词形变化 复数 stoneflies 📘 English Definition(英文释义) n. primitive winged insect with a flattened body; used as bait by fishermen; aquatic gilled larvae are carnivorous and live beneath stones ← stoneflies S 字母词表 stoneground →