prototype board

例句：

1. 1.The prototype board for the new product is still being developed.
   新产品的原型板仍在开发中。
2. 2.The engineer used a prototype board to test the new design.
   工程师使用原型板来测试新设计。
3. 3. The prototype board was designed to be easily disassembled for repair.
   原型板被设计为易于拆卸以便于修理。