形容词
中文翻译：笨重的
同义词：
['heavy', 'cumbersome', 'burdensome例句：1. The heavy load made it difficult for him to carry the box.（沉重的负载让他难以携带箱子。）2. The old car is cumbersome and hard to start.（这辆旧车笨重且难以启动。）']
例句：
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1. The heavy load made it difficult for him to carry the box.
沉重的负载让他难以携带箱子。
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2. The old car is cumbersome and hard to start.
这辆旧车笨重且难以启动。
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3.He felt burdened by the heavy workload.
他感到沉重的工作量压得他喘不过气来。