40. bias ['baɪəs]
v./n.(使有)偏见,成见
例句：
His family background biases him against businessmen.他的家庭背景使他对商人抱有偏见。
41. biotechnology [ˌbaɪə(ʊ)tek'nɒlədʒɪ]
n.生物科技
例句：
Professor Lee is an expert in biotechnology, and you can ask him for advice.李博士是生物科技方面的专家，你可以让他给你一些建议。
42. bitch [bɪtʃ]
n.①母狗 ②泼妇 ③(sing.)难办的事 ④(sing.)怨言 vi.挖苦，(背后)说坏话
例句：
Tom never bitches about other members of his team.汤姆从来不说其他队员的坏话。
43. blond [blɒnd]
a.金发的
例句：
Jeremy's mother stroked his blond hair as she gently kissed him on the cheek.妈妈抚摸着杰瑞米金色的头发，轻轻地吻着他的脸颊。
44. blueprint ['bluːprɪnt]
n.蓝图,方案
例句：
The plans for improving the financial system have only reached the blueprint stage so far.改善金融体系的计划目前尚处于筹划阶段。
45. bracket ['brækɪt]
n.①(圆)括号 ②托架 ③等级vt.①把……归为一类 ②将……相提并论
例句：
Their incomes are brought into a higher bracket.他们的收入已进入一个较高的等级段。
46. brag [bræg]
v.吹嘘
例句：
He bragged to his friends about his wealth.他向朋友炫耀他的财富。
47. breakdown ['breɪkdaʊn]
n.①故障 ②破裂 ③细目，分类
例句：
The breakdown of their marriage was not unexpected.他们婚姻破裂在预料之中。
48. broker ['brəʊkə]
n.①经纪人,掮客 ②股票经纪人
例句：
I connected him with the broker, and they made an arrangement between them.我让经纪人和他联系上了，而且他们之间也做了一个协议。
49. broke [brəʊk]
a.彻底破产的
例句：
There used to be a rubber estate there, but the company went broke and it was abandoned.过去那边有一个橡胶园，但是那家公司破产了，橡胶园也丢荒了。
50. brutal ['bruːtl]
a.残暴的,野蛮的
例句：
She knew so little of the calculating, brutal world with which he was connected.她不大知道与他相牵连的那个斤斤计较的、残酷的世界。
51. buckle ['bʌkl]
v.压垮，压弯 n.皮带扣环
例句：
The steel pillars began to buckle.这些钢柱开始变形了。
52. buck [bʌk]
n.①美元,澳元 ②雄性动物vi.(马等)猛然弓背跃起
例句：
Come on, buck up, things aren't that bad!好啦，高兴点，事情还没那么糟糕!
52. buddy ['bʌdɪ]
n.①伙伴,好朋友 ②老兄，老弟
例如：
They are good buddies.他们是好朋友。
53. bully ['bʊlɪ]
v.①欺侮 ②胁迫n.恃强凌弱者
例句：
Don't let them bully you into working on Saturdays.不要让他们逼你星期六加班。
54. bumper ['bʌmpə]
n.保险杠a.异常大的
例句：
They hope readers will enjoy this bumper issue of "Homes and Gardens".他们希望读者会喜欢这一期特大号的《家园》。
55. bypass ['baɪpɑːs]
n.①心脏搭桥手术 ②旁路,旁道
例句：
She underwent successful heart bypass surgery on Monday.她在周一已经成功接受心脏搭桥手术。
56. calf [kɑːf]
n.①小牛 ②小牛皮
例句：
The teacher introduced the different animals to the children: pony, puppy, chick, kitten, calf, and lamb.老师介绍给小朋友们不同的动物：赛马、小狗、小鸡、小猫、小牛和羔羊。
57. calf [kɑːf]
n.(人腿的)腓，小腿肚
例句：
Press your thumb into the bottom of your calf muscle, hold for 5 seconds, and release.拇指按住，移向你的小腿肌肉，停留5秒钟，放开。
58. calling ['kɔːlɪŋ]
n.①使命感,责任感 ②事业,职业
例句：
The life of the integrity should have “three feelings”, sense of calling, lose feeling, the crisis feeling.完整的人生应有“三感”，使命感，失落感，危机感。
59. calorie ['kælərɪ]
n.(热量单位)卡路里
例句：
A potato has about 90 calories.一个马铃薯大约有90卡路里。
60. cardboard ['kɑːdbɔːd]
n.厚纸板
例句：
Each distribution centre has a place where plastic and cardboard are recycled.每个物流中心都有专门回收塑料和厚纸板的地方。
61. cherish ['tʃerɪʃ]
vt.①珍爱，爱护 ②怀有(好感)
例句：
Thankfully, you were always there to help, and I will always cherish that.幸亏，总是有你在旁协助，而我将永远珍惜这份情谊。
62. cholesterol [kə'lestərɒl]
n.胆固醇
例句：
Like many other Japanese foods, sushi tends to be low in fat, cholesterol, and calories.像许多其他日本食物一样，寿司是倾向于低脂肪、低胆固醇和低卡路里的。
63. chore [tʃɔː]
n.①杂务 ②乏味无聊的工作
例句：
We share the domestic chores.我们分担家务。
64. clarity ['klærəti]
n.①清晰,清楚 ②清晰的思维能力
例句：
She had only visited the village once, but remembered it with surprising clarity.她只到过这个村子一次，对它的记忆却清晰得让人吃惊。
65. climax ['klaɪmæks]
n.顶点,高潮
例句：
When the play reached its climax all the audience were moved to tears.当比赛达到高潮时，所有的观众都感动得留下眼泪。
66. clothe [kləʊð]
vt.①给……穿衣服 ②给……提供衣服
例句：
He tugged all the year round to feed and clothe his family.他终年为全家提供衣食而劳碌。
67. clown [klaʊn]
n.①小丑 ②笨拙的人vi.扮小丑
例句：
The children are diverted by the clown.小丑把孩子们逗乐了。
68. coherent [kəʊ'hɪərənt]
a.条理清楚的,合乎逻辑的
例句：
His interpretation is coherent and intelligible. 他的翻译通顺易懂。
69. cohesion [kəʊ'hiːʒn]
n.内聚性,凝聚力
例句：
There was no cohesion and there was no one person in charge.没有任何凝聚力，也没有任何一个人来主管。
70. collaborate [kə'læbəreɪt]
vi.合作，协作
例句：
Researchers are collaborating to develop the vaccine.研究人员在合作研发疫苗。
71. colon ['kəʊlən]
n.①冒号 ②结肠
例句：
Just as tobacco causes lung cancer, processed meats are linked to colon cancer.正如烟草导致肺癌，加工过的肉类也与结肠癌有关。
72. comma ['kɒmə]
n.逗号
例句：
A comma is sometimes used to set off a clause in a sentence.逗号有时用来隔开一个句子中间的从句。
73. commodity [kə'mɒdəti]
n.商品,货物
例句：
Commodity prices fell sharply.商品价格急剧下跌。
74. commonplace ['kɒmənpleɪs]
a.平凡的，普通的 n.常见的事物
例句：
Travel by air is commonplace now.坐飞机旅行现在很平常。
75. commune ['kɒmju:n]n. [kə'mju:n]vi.
n.①公社 ②(法国等国家)最小的行政区 vi.和……交流
例句：
She would happily trot behind him as he set off to commune with nature. 他出去亲近大自然的时候，她就会一路小跑，快活地跟在他后面。
76. comply [kəm'plaɪ]
vi.遵从，服从
例句：
The factory was closed for failing to comply with government safety regulations.工厂因为没有遵从政府的安全规章而被关闭了。
77. comprehend [ˌkɒmprɪ'hend]
v.(充分)理解，领悟
例句：
The child read the story but did not comprehend its meaning. 那孩子看了那篇故事，但是没领会它的意思。
78. conform [kən'fɔːm]
vi.(to,with)遵守
例句：
All members of the club must conform to its rules. 俱乐部全体成员均须遵守其规定。
79. conscientious [ˌkɒnʃi'enʃəs]
a.勤勤恳恳的
例句：
Virginia was still struggling to be a conscientious and dedicated mother. 弗吉尼娅还在尽力成为一位勤勤恳恳、全心奉献的母亲。
80. consolidate [kən'sɒlɪdeɪt]
vt.①巩固,加强 ②合并
例句：
The recent success of their major product has consolidated the firm's position in this market.公司的主要产品近来获得的成功加强了它在市场的地位。
From:https://www.zgghmh.com/CET-4/20003456.asp