形容词
中文翻译：Unknown
同义词：
['utility', 'practical', 'functional例句：1. The new design is highly functional and user-friendly.（这款新设计非常实用且用户友好。）']
例句：
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1. The new design is highly functional and user-friendly.
这款新设计非常实用且用户友好。
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2. This product has a high level of functional performance.
该产品具有很高的功能性表现。
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3. The new machine has been designed to be functional in every aspect.
这台新机器在各个方面都具备实用性。