upper
01
上面的, 较高的
situated above something similar
例子
The upper deck of the bus offers a better view of the city.
巴士的上层甲板可以更好地欣赏城市景观。
02
上部的, 高的
positioned at or close to the top of something
例子
Please place your signature in the upper right-hand corner of the document.
请将您的签名放在文件的右上角。
例子
Upper Michigan is known for its natural beauty and vast forests.
上密歇根以其自然美景和广阔的森林而闻名。
例子
Settlements in Upper Nubia were less prone to flooding compared to those near the delta.
与三角洲附近的定居点相比，上努比亚的定居点不太容易发生洪水。
05
上层的, 高级的
greater or higher in level or status
例子
The company ’s upper management made the decision to expand internationally.
公司的高层管理层决定进行国际扩张。
Upper
例子
She chose shoes with breathable fabric uppers to keep her feet cool.
她选择了带有透气面料鞋面的鞋子，以保持双脚凉爽。
02
兴奋剂, 刺激物
a stimulant drug that increases energy, alertness, and physical activity
Informal例子
Uppers can boost energy temporarily but may lead to a crash afterward.
兴奋剂可以暂时提高能量，但之后可能会导致崩溃。
03
上层, 上铺
the higher of two stacked sleeping or resting place on a vehicle, such as a train, ship, or bus
例子
The attendant prepared the upper with fresh linens before the passengers boarded.
乘务员在乘客登车前用干净的床单准备好了上层。
