breastwork

n low wall of earth, etc put up as a temporary defence 胸墙.

break-in, break-out, breakable, breakage, breakaway, breakdown, breaker, breakfast, breakneck, breakthrough, breakup, breakwater, bream, breast, breast pocket, breast-feed, breast-high, breast-stroke, breastbone (also sternum), breastplate, breath, breath test, breath-taking, breathalyse, breathalyser, breathe, breather, breathing, breathing-space, breathless, breathlessly, breathlessness, breathtaking, breathtakingly, breathy, bred, breech, breech birth, breech-block, breeches,