名词
中文翻译：额外的水流同义词
同义词：
['supplementary stream', 'additional watercourse']
例句：
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1. The river is a naturaladdition to the park's landscape.
这条河是公园景观的自然补充。
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2. The additional informationwill help us better understand the topic.
额外的信息将帮助我们更好地理解这个主题。
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3. The additionalsecurity measures have made the event more secure.
额外的安全措施使活动更加安全。