prototype

/ˈproʊtoʊˌtaɪp/

a standard or typical example

中文释义：原型；雏形；样本

The company developed a prototype of the new electric car for testing.

该公司开发了新型电动汽车的原型进行测试。

Engineers built a prototype to demonstrate the feasibility of the design.

工程师建造了一个原型来证明设计的可行性。