No need to use the fresh stuff, old grounds are more than up to the task, according to material scientist Mano Misra and his colleagues.

根据材料科学家Mano Misra和他的同事们的研究，作燃料用的咖啡不需要使用新鲜的咖啡，剩余的咖啡残渣就足够用了。

youdao

No need to use the fresh stuff, old grounds are more than up to the task, according to material scientist Mano Misra and his colleagues.

根据材料科学家Mano Misra和他的同事们的研究，作燃料用的咖啡不需要使用新鲜的咖啡，剩余的咖啡残渣就足够用了。

youdao