名词
中文翻译：水怪
同义词：
['goblin', 'mermaid', 'water sprite']
例句：
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1. The trolls were said to haunt the riverbanks of the town.
据说水怪们住在这个镇的河岸上。
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2. The story of the troll was passed down from generation to generation.
关于水怪的故事一代代传下来。
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3. The troll had been a local legend for centuries before it was finally captured.
这个水怪在被捕获之前一直是当地的传说。