美国学者约弗建议给宇航员准备一种新颖的食品。这一项发明的基础在于:当飞船发生故障时,乘员们就会面临缺少食品的威胁,这时他们不得不在飞船内自行解决吃的问题。为此,约弗建议利用硬化食品来制造 American scholar 约弗 suggests astronauts to prepare a novel food. The foundation of this invention is that when the spacecraft fails, the occupants face the threat of lack of food, at which time they have to solve the problem of eating within the spacecraft themselves. To this end, York proposed the use of hardened food to make