upper UK ['ʌp.ər] US [-ɚ] adjective [before noun] IMPROVER ■at a higher position or level than something else, or being the top part of something (位置或水准)较高的,较上的;上层的•The office block'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 UK ['ʌp.ər] US [-ɚ] noun countable HIGHER 较高的 ■the top part of a shoe which covers a person's foot and to which the heel and the sole are fixed 鞋帮•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。 UK ['ʌp.ər] US [-ɚ] noun countable DRUG 药物 informal ■a drug which causes a person taking it to feel very active and excited 兴奋剂 Opposite downer UK ['ʌp.ər] US [-ɚ] noun countable be on your uppers old-fashioned informal ■to be very poor 穷困潦倒 |