breech birth

birth in which the baby's buttocks or feet appear first 臀位分娩.

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, breech-block, breeches, breeches-buoy, breed, breeder, breeder reactor, breeding, breeding-ground, breeze, breeze through, breeze-block, breezeway, breezily, breeziness, breezy, brethren, breve, breviary, brevity, brew,