birth-control

n [U] controlling the number of children one has, esp by contraception 节育: The pill is one method of birth-control. 服用避孕丸是一种避孕措施.

bird, bird of paradise, bird of passage, bird of prey, bird sanctuary, bird-bath, bird-song, bird-table, bird-watcher, birdbrained, birdcage wire, birdie, birdlime (also lime), birds, birdseed, biretta, Birmingham, birth, birth certificate, birth rate, birthday, birthmark, birthplace, birthrate, birthright, biscuit, bisexual, bisexuality, bishop, bishopric, bismuth, bison, bistro, bit, bit by bit, bit part, bitch, bitchiness, bitchy, bite,