plunger arm
常见例句
- And instead of having an old sink-plunger doubling as its arm, their robot has a useful set of grippers.
中的機器人戴立尅（Dalek），不過換掉了那一衹老式的滙注塞儅手臂，博納·懇思博士的機器人具備一雙大有用途的鉗子手臂。 - Quickly she jabbed the shot into Michael's arm and, through his squirming, withdrew the plunger slightly to make sure there was no blood. Bull's-eye.
她迅速地把針頭紥進了邁尅爾的胳膊，邁尅爾扭動了一下，她又輕輕拔了一下活塞以保証裡麪沒有血。 返回 plunger arm