形容词
中文翻译：有效的
同义词：
['capable', 'efficient', 'effective', 'productive', 'competent', 'practicable', 'feasible', 'fruitful', 'successful']
例句：
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1. The new policy is expected to be effective in reducing pollution.
预计新政策将有效减少污染。
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2. He was effective at solving problems and making suggestions.
他在解决问题和提出建议方面很有效。
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3. The new software is expected to be effective in improving efficiency.
预计新软件将提高效率。