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。

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

youdao

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。

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

youdao