balustrade

n row of upright posts or small pillars joined along the top by a rail or stonework, and placed round a balcony, terrace, flat roof, etc （阳台、平台、平屋顶等的）栏杆.

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