名词
中文翻译：浓缩堆叠
同义词：
['concentrated heap', 'concentrated pile', 'concentrated layer例句：1. The engineer carefully placed the concentrated stack of books on the table.（工程师小心翼翼地把一堆书的浓缩堆放在桌子上。）2. The scientist used a focused beam of light to concentrate the stack of samples.（科学家用一束聚焦的光来集中样本堆。）']
例句：
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1. The engineer carefully placed the concentrated stack of books on the table.
工程师小心翼翼地把一堆书的浓缩堆放在桌子上。
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2. The scientist used a focused beam of light to concentrate the stack of samples.
科学家用一束聚焦的光来集中样本堆。
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3.The mountain range is composed of several condensed layers of rock.
山脉由几层压缩的岩石组成。