What if you quit your job and headed for southeast Asia with nothing but a small backpack?
要是你辞掉工作，只背一个小包就去到东南亚，又怎么样？
The whole thing is small enough to fit into a small backpack and can run on batteries as well as on the mains.
整个机器很小，能够放进小背包里，而且能用电池还有电源驱动。
The tool bag weighed about 30 pounds (14 kg) and was about the size of a small backpack.
这个工具包重大约30磅（约合14公斤），跟一个小背包差不多大。
She adjusted her small backpack over her shoulder and carefully locked her car to start out hiking.
她调整了一下肩上的小背包，小心地锁好车，开始了她的徒步旅行。
She adjusted her small backpack over her shoulder and carefully locked her car to start out hiking.
她调整了一下肩上的小背包，小心地锁好车，开始了她的徒步旅行。
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