battle-cry

n (a) (esp formerly) rallying cry used in battle （尤指旧时）战斗呐喊. (b) (fig 比喻) slogan or rallying cry of a group of people fighting for the same cause （为共同事业而斗争的人们所用的）标语或口号.

bathrobe (also robe), bathroom, bathysphere, batik, batiste, batman, baton, bats, batsman, battalion, batten, batter, battered, batteries, battering ram, battering-ram, battery, battery farm, battle, battle-cruiser, battleaxe, battledress, battlefield, battlefield, battleground, battlements, battleship, batty, bauble, baulk, bauxite, bawdily, bawdiness, bawdy, bawl, bay, bay window, bay-leaf, bayonet, bayou, bazaar,