名词短语
中文翻译：测试
同义词：
['test', 'trial', 'verification例句：1. The engineer conducted a test to ensure the new machine worked correctly.（工程师进行了一次试验以确保新机器正确运行。）']
例句：
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1. The engineer conducted a test to ensure the new machine worked correctly.
工程师进行了一次试验以确保新机器正确运行。
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2.The scientist performed a trial to determine the effectiveness of the new drug.
科学家进行了一次试验以确定新药的有效性。
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3.The company conducted a verification to ensure all components meet safety standards.
公司进行了一次验证以确保所有组件符合安全标准。