形容词
中文翻译：有效的
同义词：
['efficient', 'effective', 'efficacious']
例句：
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1.The new policy is expected to be effective in reducing emissions.
新政策预计将有效减少排放。
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2.The manager's suggestion was very effective in solving the problem.
经理的建议非常有效地解决了这个问题。
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3. This medicine is highly effective in treating chronic pain.
这种药物对治疗慢性疼痛非常有效。