名词
中文翻译：Unknown
同义词：
['burden', 'burdensome', 'oppressive', 'oppressiveness']
例句：
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1. The weight of the project was too much for him to bear.
这个项目的重量对他来说太重了，他无法承受。
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2. The heavy burden of poverty weighed heavily on her shoulders.
贫穷的重担重重地压在她的肩上。
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3. The oppressive heat made it hard for her to breathe.
压抑的高温使她难以呼吸。