uppers单词基本解析：

n.鞋帮，靴面( upper的名词复数 ); 兴奋剂

n.鞋帮，靴面( upper的名词复数 )；兴奋剂；

uppers变化用词：

uppers英英释义：

upper[ 'ʌpəz ]n.the higher of two berths

同义词：upper berth

piece of leather or synthetic material that forms the part of a shoe or boot above the sole that encases the foota central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression

同义词：amphetaminepep pillspeed

adj.higher in place or position

"the upper bunk"; "in the upper center of the picture"; "the upper stories"

the topmost one of twosuperior in rank or accomplishment

"the upper half of the class"

uppers中文词源：

uppers用法和例句：

uppers

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