For example, we can pack a suitcase with flashlights, a radio, food, drinking water and some tools.

例如，我们可以用手电筒、收音机、食物、饮用水和一些工具来装满一个手提箱。

youdao

We are all familiar with flashlights, portable radios and car lighting systems, all of which use batteries as their source power.

我们所熟悉的手电筒，袖珍收音机和汽车照明系统，他们都是用蓄电池作为电源的。

youdao

We are all familiar with flashlights, portable radios and car lighting systems, all of which use batteries as their source power.

我们所熟悉的手电筒，袖珍收音机和汽车照明系统，他们都是用蓄电池作为电源的。

youdao