before adv 在前, 以前; prep 在 之前; conj 在 之前 ; ;
begin: v.开始, 首先
beginner n. 初学者;
beginning n. 开始, 起点, 开端部分 adj. 初等的, 初级的;
behalf n. 利益, 代表 ;
behavior n.举止, 行为;
behind prep. 在后面;向后面;
being n. 存在, 存在物;
belief n. 信仰, 信心, 信条;
believe v. 相信, 信任;
belong v. 属于 ;
below prep. 在的下面, 低于 adv. 在较低处, 在下面
beneath adv.在...之下prep.在...之下, 紧靠着..的底下;
beneficial adj. 有利[益]的, 受益的;
benefit n.利益, 好处, v.有益于, 有助于, 获益;得益于;
beside prep.在旁边;
besides prep. 除以外adv. 此外, 而且
best adj.最好的adv.最好地,n 最好的东西
better adj.较好的,更好的,好转的adv.更好地,更多地 迟做总比不做好;
had better do sth. 最好做..;
had better not to so sth. /最好不做..);
between prep. 在之间; 处在...之间
beyond prep. [表示位置]在[向]...的那边, 在...之外; [表示范围, 限度]超出
bicycle n. 自行车
big adj.大的, 重要的
bill n. 帐单, 钞票
billion n. 十亿
bind v. 捆, 绑, 缚, 扎, 包扎, 约束, 使粘合
biological adj. 生物学,生物学的;
bird n. 鸟;
birth n. 出生,诞生,起源
birthday n. 生日;
bit n.小块;少许/ 有点;稍微; bit by bit/渐渐,一点一点);
bitter adj. 苦的,痛苦的
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