bridgehead

n area captured and fortified in enemy territory, esp on the enemy's side of a river （敌占区内的）桥头堡. Cf 参看 beach-head (beach).

brew, brew-up, brewer, brewery, briar, bribe, bribery, bric-a-brac, brick, brickbat, bricklayer, bricklayer [C], bricklaying [U], bricklaying, brickwork, brickyard, bridal, bride, bridegroom, bridesmaid, bridge, bridging loan, bridle, bridle-path (also bridle-way), Brie, brief, briefcase, briefing, briefly, briefs, brier (also briar), brig, brigade, brigadier, brigand, brigantine, bright, brighten, brightly, brightness, brill,