及物动词
不及物动词
1. 打开(箱、盒等);(从箱、盒等中)取出
When you unpack a suitcase, box, or similar container, or you unpack the things inside it, you take the things out of the container.
2. 分析;剖析;仔细考虑
If you unpack an idea or problem, you analyse it and consider it in detail.