water flea 📖 中文释义 [医] 水蚤 🔗 释义中的汉语词水蚤 📘 English Definition(英文释义) Any one of numerous species of small aquatic Entomostracabelonging to the genera Cyclops, Daphnia, etc; -- so called becausethey swim with sudden leaps, or starts. ← water flaxseed W 字母词表 water for injection →