pack

n. 包裹,一群,一副
v. 包装,捆扎,塞满

The traveler took out a bottle of water from the pack on his back.

那位旅行者从他的背包中拿出了一瓶水。

We leave tomorrow but I haven't begun to pack yet!

我们明天动身，但我现在还没开始收拾行李呢！