Read Edit View history 水螅 shuǐxī hydra Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 水螅 · shuǐxī · hydra 2026/03/04 水螅 shuǐxī hydra Hydra (freshwater polyp) 水螅生活在淡水中，是一种小型的捕食性生物。 noun created sense Mar 4, 2026, 02:25 AM