beat v. 打,敲.击败,胜过.[音]打(拍子),(心脏等)跳动beating against/on sth. /打在……上the heart beats. /心脏跳动beat sb. /战胜……a heartbeat /心跳声. beautiful adj. 美丽的.很好的. beauty n. 美,美丽.美人,佳人.美的事物the beauties of nature/大自然的美beauty art/ 美容术,化妆术 beauty contest/选美会because conj. 因为. become(became, become, becoming) v. 变为,成为. begin (began, begun, beginning) v. 开始,首先 begin to do sth. /开始…… begin doing/开始to begin with/首先.第一点(理由). beginning n. 开始,起点.开端部分,开头部分at the beginning/从一开始at the beginning of/在……初from beginning to end [from first to last]/从头到尾,自始自终 in the beginning/当初,开始时on behalf of/代表.为了on sb.’s behalf/以某人的名义.为了某人.代表某人. behavior n. 举止.行为. behind prep. 在……后面.向……后面. a human being/人for the time being/暂时.目前.belief (pl. beliefs) n. (宗教)信仰.信心.believe v. 相信,信任.认为believe sb. /信任某人believe in/信仰,信任belong v. 属于(to),合适belong to/属于below prep. 在……的下面.低于……. benefit n. 利益,好处.(pl)救济金 v. 有益于,有助于. for one’s benefit/ 为了……利益benefit from/受益于for the benefit of/为了……的好处.beside prep.在……旁边beside the point/离题beside oneself (with)/几乎发狂.besides prep. 除……以外adv. 此外,而且 try/do one’s best to do sth. /尽最大的努力做…….make the best of/ 尽量利用at one’s best/处于最佳状态at best/至多 . better (good 的比较级. well 的比较级) be better off 境况好had better do sth. 最好做……beyond prep. [表示位置] 在[向] ……的那边,在……之外billion n. adj. 十亿(的) . biological adj. 生物学,生物学的. a bit (of)/ 有点.稍微bit by bit/渐渐,一点一点.blame v. 负责.指责,谴责n. 责备,责怪blame sb. for sth. /因某事责备某人 blame sth. on (to) sb. /把……怪到……头上.把某事的责任归咎于某人[事]. blank adj. 空白的,空着的.没有表情的n. 空白,[美] 表格. blind adj. 瞎的,盲目的turn a blind eye (to)/不去注意. on board/在船上.在公共交通工具内