| 词汇 | upper |
| 释义 | upper adjective [ before noun ] uk/ˈʌp.ər/ us/ˈʌp.ɚ/ B1 （位置或水平）较高的，较上的；上层的 at a higher position or level than something else, or being the top part of something The office building's upper floors were being repainted. 办公楼的上面几层在重新油漆。 If the infection is not checked it will probably spread to the upper body. 如果感染不控制住，很有可能扩散到上身。 Opposite: lower
upper noun [ C ] uk/ˈʌp.ər/ us/ˈʌp.ɚ/ (SHOE PART) 鞋帮 the top part of a shoe that covers a person's foot and to which the heel and the sole are attached These shoes have leather uppers and synthetic soles. 这些鞋子的鞋帮是皮质的，鞋底是合成材质的。 (DRUG) informal兴奋剂 a drug that causes a person taking it to feel very active and excited Opposite: downer (DRUG) Idiom be on your uppersidiom old-fashioned informal 穷困潦倒 to be very poor |
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