1. | 上边的，上面的，上层的（尤指同类或一对中的一个）located above sth else, especially sth of the same type or the other of a pair |
the upper lip 上嘴唇 | |
the upper deck 上层甲板 |
2. | 上部的；靠上部的at or near the top of sth |
the upper arm 上臂 | |
the upper slopes of the mountain 靠近山顶的斜坡 | |
a member of the upper middle class 中上层社会的人 | |
salaries at the upper end of the pay scale 工资级别最高的薪金 | |
There is an upper limit of £20 000 spent on any one project. 任何项目都有一个 2 万英镑的经费上限。 |
3. | 内陆的；高地的；向北部的located away from the coast, on high ground or towards the north of an area |
the upper reaches of the river 河流的上游 |
