您需要冰保持冷冻食品冷却。

You will need ice to keep the frozen foods cool.

youdao

把您所有的冷冻食品包装在一个保温容器使其保持冷冻，直到回到家中。

Pack all your frozen foods together in an insulated container to keep them frozen until you get home.

youdao

有一个安全系统可以让他保持冷冻状态至少等到支援队到达。

There is a failsafe system that should keep him frozen at least until reinforcements arrive.

youdao