名词
中文翻译：停滞
同义词：
['blocking', 'jamming', 'stagnant']
例句：
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1.The traffic was so heavy that it was causing a stumbling block in the city center.
交通非常拥挤，导致市中心出现拥堵。
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2.The project is stalling because of lack of funding.
由于缺乏资金，该项目正在停滞不前。
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3.The economy is stagnating due to the pandemic.
由于疫情，经济停滞不前。