动词短语
中文翻译：试飞
同义词：
['test flight', 'trial flight']
例句：
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1. The aircraft was subjected toa rigorous test flight before it could becertified for commercial use.
这架飞机在被认证可用于商业用途之前，经历了严格的测试飞行。
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2. The pilotconducted a test flight to ensurethe aircraft's stability and controlsystems were functioning properly.
飞行员进行了一次测试飞行，以确保飞机的稳定性和控制系统正常工作。
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3.Before taking off, the pilot carefully reviewedthe test flight data to identify any potentialissues that needed to be addressed.
起飞前，飞行员仔细审查了测试飞行数据，以识别任何需要解决的问题。