Explorers understood that if they could keep food fresh, they could travel longer distances.

探险家们懂得，如果他们能够保持食物新鲜，他们就能前往更远的地方。

youdao

Explorers understood that if they could keep food fresh, they could travel longer distances.

探险家们懂得，如果他们能够保持食物新鲜，他们就能前往更远的地方。

youdao