形容词中文翻译
中文翻译：有工具的
同义词：
['auxiliary', 'contributory', 'supportive', 'supplementary']
例句：
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1. The new policy is instrumental in improving the economy.
新政策在改善经济方面起到了关键作用。
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2. The teacher's guidance was instrumental in helping the student succeed.
老师的指导对帮助学生成功起了重要作用。
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3. The support of volunteers was instrumental in the success of the project.
志愿者的支持对项目的成功起了重要作用。