batman

n (pl -men/ -mEn;-mEn/) (Brit) soldier who acts as an army officer's personal servant 勤务兵; 传令兵.

batch processing, bated, bath, bath chair, bath mat, bath-tub, bathe, bathed, bather, bathetic, bathing, bathing suit, bathing-cap, bathing-costume (also bathing-suit), bathos, bathrobe (also robe), bathroom, bathysphere, batik, batiste, baton, bats, batsman, battalion, batten, batter, battered, batteries, battering ram, battering-ram, battery, battery farm, battle, battle-cruiser, battle-cry, battleaxe, battledress, battlefield, battlefield, battleground, battlements,