形容词
中文翻译：空的
同义词：
['empty', 'void', 'hollow', "insubstantial例句：1. The company's financial reports were filled with hollow statements.（公司的财务报告充斥着空洞的陈述。）"]
例句：
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1. The company's financial reports were filled with hollow statements.
公司的财务报告充斥着空洞的陈述。
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2.The project was hollowed out by the lack of funding.
由于缺乏资金，这个项目变得空洞。
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3. The idea was hollowed out by the reality of the situation.
这个主意因为实际情况而变得空洞。