样机 (yàng jī) — prototype (of a machine or device); sample machine

Definition

Examples

• 工程师正在测试新样机。
  Gōng chéng shī zhèng zài cè shì xīn yàng jī.
  The engineer is testing the new prototype.
• 这台样机还需要改进。
  Zhè tái yàng jī hái xū yào gǎi jìn.
  This sample machine still needs improvement.
• 公司展示了三款样机。
  Gōng sī zhǎn shì le sān kuǎn yàng jī.
  The company displayed three prototypes.