名词
中文翻译：Unknown
同义词：
['past burden', 'pastload', 'previous burden']
例句：
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1. The previous manager left a lot ofwork unfinished.
前任经理留下了很多未完成的工作。
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2. He carried the heavy boxacross the room.
他扛着沉重的箱子穿过房间。
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3. She was carrying groceriesto the car when she tripped andfell.
她正提着杂货去车时摔倒了。