名词
中文翻译：原型
同义词：
['model', 'prototype', 'sample']
例句：
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1. The prototype of the newcar is still under development.
这款新车的原型还在开发中。
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2. The prototype ofthe new design was unveiled at theconference.
新设计的原型在会议上揭幕。
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3. Theprototype of the new software has beentested extensively.
新软件的原型已经经过了广泛的测试。