beef n. 牛肉;

beer n. 啤酒, 一份啤酒

before adv.在前, 以前; prep.在...之前; conj.在...之前 (the day before yesterday /前天 );

(A級) beforehand adv. 事先, 預(yù)先; beforehand = in advance

begin: (began, begun, beginning) v.開始, 首先( begin to do sth./開始..; to begin with/首先；

beginner n. 初學(xué)者;

beginning n. 開始, 起點, 開端部分 adj. 初等的, 初級的( at the beginning/從一開始; at the beginning of/在...初; from beginning to end; in the beginning/當(dāng)初, 開始時);

behalf n. 利益, 代表 (on behalf of/代表, 為了; on sb.'s behalf/以某人的名義, 代表某人);

behavior n.舉止, 行為;

behind prep. 在…后面；向…后面;

being (be的現(xiàn)在分詞)n. 存在, 存在物(a human being/人; for the time being/暫時, 目前);

belief (pl. beliefs) n. (宗教)信仰, 信心, 信條(have a strong belief in sth. /虔誠地信仰..; beyond belief/令人難以置信);

believe v. 相信, 信任, 認(rèn)為, 想 (believe sb. /信任某人; believe in/信仰, 信任; believe it or not/信不信由你);

belong v. 屬于(to), 合適, 對…合適或有用(belong to/屬于);

below prep. 在…的下面, 低于… adv. 在較低處, 在下面(be below [sb., sth.]低于, 級別低于(某人) );

beneath adv.在...之下prep.在...之下, 緊靠著..的底下;

(B級)beneficial adj. 有利[益]的(to), 受益的(be beneficial to/ 有益于); beneficial = profitable