beat v. 打，敲;擊敗，勝過;[音]打(拍子)，(心臟等)跳動(dòng)
beating against/on sth. /打在……上
the heart beats. /心臟跳動(dòng)
beat sb. /戰(zhàn)勝……a heartbeat /心跳聲;
beautiful adj. 美麗的;很好的;
beauty n. 美，美麗;美人，佳人;美的事物
the beauties of nature/大自然的美
beauty art/ 美容術(shù)，化妝術(shù)
beauty contest/選美會(huì)
because conj. 因?yàn)?
become(became, become, becoming) v. 變?yōu)椋蔀?
begin (began, begun, beginning) v. 開始，首先
begin to do sth. /開始……
begin doing/開始
