This rucksack is waterproof and has a large capacity.

这款帆布背包防水且容量很大。

He came to climb the mountain with a rucksack on his back.

他背着一个旅行包来爬山。

I found his keys in the rucksack.

我在帆布背包里面找到了他的钥匙。

In his rucksack he carried, besides pencils and notebooks, poetry.

在他的帆布背包里，除了铅笔、笔记本外，他还带了诗集。

My rucksack seems to have gone walkabout.

我的旅行包好像是丢了。

Some can be pulled from a rucksack and launched by hand.

有些可以从帆布背包中取出并且用手发动。

They carried only one rucksack between them.

他们两人只带一个背包。

My rucksack was too big for the luggage rack .

我的背包太大了，行李架上放不下。