upper

upper

名词 upper:

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 foot

a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression

同义词：amphetamine, pep pill, speed

形容词 upper:

higher in place or position

the topmost one of two

superior in rank or accomplishment