释义
n. 包裹,一群,一副 v. 包装,捆扎,塞满
例句
1. 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。 2. 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！