名词
中文翻译：水生杂草
同义词：
['water weed', 'marsh plant']
例句：
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1.The swampweed is a common problem in the wetlands.
水生杂草是湿地中常见的问题。
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2. The farmers were trying to control the swampweed that was spreading through their fields.
农民们试图控制蔓延到他们田地中的水生杂草。
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3. The swampweed is a nuisance for many people living near the water.
水生杂草对许多住在附近的人是一种麻烦。