pinsetter / ˈpɪnˌsɛt ər /

⚽高中词汇销钉器钉子户销钉机钉子机

pinsetter 的定义

n. 名词 noun
  1. a mechanical apparatus in a bowling alley that places all of the pins into position at one time and removes pins that have been knocked down.
  2. pin boy.