名词
中文翻译：填充物
同义词：
['filler', 'stuffing', 'packing material']
例句：
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1. The sack was filled with rice and beans.
这个袋子里装满了米和豆子。
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2. The car's engine is a common source of fillinger.
汽车发动机是常见的填充材料来源。
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3. The packaging materials are carefully selected to ensure quality.
包装材料被精心选择以确保质量。