名词
中文翻译：试验车辆
同义词：
['test car', 'prototype vehicle', 'prototype vehicle']
例句：
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1. The engineersare testing a new model of the test vehicle.
工程师们正在测试新型的试验车辆。
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2. The test vehicle is designed to safely transport heavy cargo.
试验车辆设计用来安全运输重货。
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3. The test vehicle has been modified to improve its fuel efficiency.
试验车辆已经被修改以提高其燃油效率。