名词短语
中文翻译：填充收缩
同义词：
['填充物收缩例句：1. The filling in the cake was delicious.（蛋糕里的填充物很美味。）']
例句：
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1. The filling in the cake was delicious.
蛋糕里的填充物很美味。
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2.The retraction of the company's profits has been significant.
公司利润的收缩幅度很大。
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3. The filling retraction is essential for maintaining the structure of the material.
填充物的收缩对于保持材料的结构至关重要。