By introducing a degree of forcefulness and humor, the machine could be presented as a vivid and unique character.
出自-2013年6月聽力原文
By introducing a degree of forefulness and humour, the machine could be presented as a vivid and unique character
出自-2013年6月聽力原文
The dream of personalised flight is still vivid in the minds of many inventors, some developing cycle-powered craft, others pouring money into jetpacks(噴氣飛行背包).