breast-stroke

n [sing] swimming stroke, with chest downwards, in which the arms are extended in front of the head and then swept back, while the legs move in a corresponding way 蛙泳: do (the) breast-stroke 游蛙泳.

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