briefs

n [pl] short close-fitting pants or knickers （贴身的）短内裤: a new pair of briefs 一条新的三角裤.

brickbat, bricklayer, bricklayer [C], bricklaying [U], bricklaying, brickwork, brickyard, bridal, bride, bridegroom, bridesmaid, bridge, bridgehead, bridging loan, bridle, bridle-path (also bridle-way), Brie, brief, briefcase, briefing, briefly, brier (also briar), brig, brigade, brigadier, brigand, brigantine, bright, brighten, brightly, brightness, brill, brilliance, brilliant, brilliantine, brilliantly, brim, brim with, brimful (also brim-full), brimming, brimstone,