uppers

英 ['ʌpəz] 美 ['ʌpəz]

• nickname for stimulants 刺激物的别称

英英释义

名词 upper:

1. the higher of two berths

2. piece of leather or synthetic material that forms the part of a shoe or boot above the sole that encases the foot

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