/'ʌndəpænts; `ʌndɚ,pænts/
(also infml 口语作 pants) n [pl] short undergarment worn by men and boys covering the lower part of the body （男用）内裤, 衬裤
*put on some/a pair of clean underpants 穿上一条乾净的内裤
* He stood there in his underpants, ie not wearing anything else. 他只穿着内裤站在那儿. Cf 参看 knickers.

n [plural]
BrE a short piece of underwear worn by men under their trousers
AmE a short piece of underwear worn under trousers by men or women