形容词
中文翻译：Unknown
同义词：
['basic', 'fundamental', 'primordial']
例句：
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1. The fundamental principle of the experiment is to observe the reaction.
实验的基本原理是观察反应。
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2. The fundamental difference between the two cultures lies in their attitudes towards work.
两种文化之间最根本的区别在于他们对工作的态度。
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3. Fundamental research has shown that exercise can reduce stress and improve mental health.
基础研究表明，锻炼可以减轻压力，改善心理健康。