ban

vt.禁止

ballot, ballot-box, ballpark, ballroom, balls-up, bally, ballyhoo, balm, balmily, balminess, balmy, baloney, balsa, balsam, Baltic, baluster, balustrade, bamboo, bamboo-shoot, bamboozle, banal, banality, banana, banana republic, banana skin, band, Band-aid, band-saw, bandage, bandanna, bandbox, bandeau, bandit, banditry, bandmaster, bandoleer (also bandolier), bandsman, bandstand, bandwagon, bandwidth,