名词
中文翻译：拖运重量
同义词：
['heavy load', 'burden', 'weight']
例句：
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1.The heavy load of work made him feel exhausted.
繁重的工作使他感到筋疲力尽。
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2.He had to haul the heavy load across the river.
他不得不把沉重的货物渡过河去。
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3.The weight of responsibility hung heavily on her shoulders.
责任的重量压得她喘不过气来。