upperKK [ˋʌpɚ] /ˈʌpɚ/发音形容词1上面的、上层的、较高的The upper floors of the building have a view of the harbor.这栋大楼上层的楼层看得到港口。2上级的、高层的、上流的The decision came from upper management without any warning.这个决定是高层做的,事先毫无预警。3上限的、最高的We set an upper limit of two hundred dollars per person.我们设定每人上限两百美元。4上游的、上游地区的Heavy rain in the upper reaches of the river caused flooding.河流上游的大雨造成了水患。名词1鞋面、鞋帮The soles are still fine, but the uppers are cracked.鞋底还很好,但鞋面已经裂开了。2兴奋剂、提神药口语,常用复数He took uppers to stay awake during the long shift.他吃了兴奋剂,好在漫长的班上保持清醒。用这个字练口说→相关片语upper handstiff upper lip