prototype
🇺🇸
/ˈprəʊtətaɪp/
🇬🇧
/ˈprəʊtətaɪp/
the first model of something that is used as an example for making later versions
The team built a prototype of the new device to test how it works.
團隊製作了新設備的原型來測試其工作原理。