underpants

详细解释:n. 衬裤, 短衬裤

英语解释：

名词 underpants:

an undergarment that covers the body from the waist no further than to the thighs; usually worn next to the skin

例句：

Brief underpants that reach to the hips rather than to the waist.比基尼内裤到臀部但不到腰部的短内裤