"the candidate, considered a beta male, was perceived to be unable to lead his party to victory"
"a beta version""beta software"
beteln.蒟酱;蒌叶
betv.打赌;确信无疑n.赌注;确信
Betak贝塔克
Betat贝塔
Betasβ系数
Betafon.贝塔富(在马达加斯加;东经 46º50' 南纬 19º50')
Betato贝塔托
Betanon.伯塔诺(在东帝汶;东经 125º42' 南纬 9º11')
betakevt.去;赴;致力于
Betacin氨甲苄青霉素, β-氨苄青霉素, [青霉素类抗生素]
betaceln.原子电池
Betanal苯敌草除草剂