形容词
中文翻译：Unknown
同义词：
['utility', 'purposeful', 'functionally']
例句：
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1.The new design is more functional than the old one.
新设计比旧的更实用。
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2.This tool is designed to be functional in every situation.
这个工具在任何情况下都是实用的。
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3.The furniture is functional and stylish at the same time.
家具既实用又时尚。