B
1. back adv.回(原处);向后 adj.后面的 n. 背后，后部;背
back and forth 来回，往返; back to back 背靠背
behind one’s back 背后; look back 回顾
put back 放回去; turn one’s back on 避开，不理睬
2. ◎backward adv. backward and forward 来来回回
bend /lean over backward to do 竭尽全力去做…
3. baggage n.行李 a piece of/an article of baggage
4. ◎balance 1) n. ① 平衡 keep a balance (between A and B) lose one’s balance
disturb the balance of one’s mind
② 余额 (常用单数) check your bank balance
③ 欠款(常用单数)The balance of 500 yuan must be paid within 90 days.
短语 be/ hang in the balance 不明朗的，未定的， 悬而未决的
catch / throw sb. off balance 使…失去平衡; 使…不知所措 on balance 总的来说
2)v.①保持平衡 ~(sth)on sth balance on one leg
He balanced the cup on her knee.
②同等重视 balance A with/ and B balance home life with career
③比较权衡 balance A against B balance the cost against its benefit
balanced adj. be on a balanced diet
5. ●ban n.禁令 v. 禁止，取缔 a ban on smoking 禁烟令
place… under ban 对…加以禁止 ban sb. from sth./ doing 禁止某人做
6. ◎bar 1) n. 条，块 a bar of chocolate / soap 障碍 Being a woman was a bar to promotion.
2) vt. 封堵 All the doors and windows were barred.
阻止 bar sb. from ... bar players from drinking
7. bargain n. (经讨价还价之后)成交的商品;廉价货
Those shoes are a real bargain at such a low price.v. 讨价还价 bargain with sb about /over sth
8. base n. 根据地，基地 v.以...为基地, 把基地设在
1) base sth on/upon sth 以…为基础 His book is based on a true story.
2) be based in以...为基地,把基地设在 The toy company is based in Guangzhou.
basic adj 基本的basic knowledge/skills basically adv.
9. ◎basis (复数 bases )
1)基础，要素 form the basis of…
2) 基准，原则 on a regular /permanent basis 以定期的/永久的方式
3) 原因，缘由 on the basis of… Some videos were banned on the basis of violence.
10. bath n.洗澡;浴室;澡盆; have/take a bath
bathe v. 洗澡,游泳 be bathed in …沉浸在,沐浴着(光线) bathroom n.浴室
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