| B | Born in | 生于 |
| B | Black | 黑色 |
| B | Baryon number | 重子数 |
| B | Bishop | 一种游戏名字 |
| B | Barn | 谷仓 |
| B | Bottom quark | 夸克 |
| B | Boron | 硼 |
| B | Binary | 二进制 |
| B | Byte | 字节 |
| B | bit | 比特 |
| B | Federal Reserve Bank of New York City (designates original spot of circulation of a bill) | 纽约市联邦储备银行(指定票据的原始流通点) |
| B | Betopic (same as Betaxolol) | Betopic(与Betaxolol相同) |
| B | Berlin (auto license plate) | 柏林(汽车牌照) |
| B | Baume (relating to the propriety of hydrometer measurements) | 波美(与比重计测量的适当性有关) |
| B | Beta (2nd brightest star in a constellation) | 贝塔星(星座中第二亮的恒星) |
| B | Beam (naval architecture; width of hull) | 横梁(海军建筑;船体宽度) |
| B | At or Below (constrained altitude) | 等于或低于(受限高度) |
| B | Bore (French: Boron) | 孔径(法语:Boron) |
| B | Tical (another name for baht, Thai currency) | Tical(泰铢的另一个名称,泰国货币) |
| B | Base (transistor; electronics) | 基极(晶体管;电子器件) |
| B | Bucharest (Romanian state capital) | 布加勒斯特(罗马尼亚首都) |
| B | Butt (welded joint type) | 对接(焊接接头类型) |
| B | Baht (currency of Thailand) | 泰铢(泰国货币) |
| B | Bolivar (unit of currency) | 玻利瓦尔(货币单位) |
| B | Blade (comic; movie) | 刀锋(漫画;电影) |
| B | US Domestic Stamp Rate (18 cents, issued 15 May 1981) | 美国国内印花税率(18美分,1981年5月15日发行) |
| B | Bordetella Bacterium | 博德氏杆菌 |
| B | Back (chat) | 返回(聊天) |
| B | Betaxolol (blood pressure drug) | 倍他洛尔(血压药) |
| B | Bad (worst CD condition) | 不良(CD状况最差) |
| B | Be | 是 |
| B | Billable | 可计费的 |
| B | Bass | 低音的 |
| B | Baroness | 男爵夫人 |
| B | Bowled | 保龄球 |
| B | Born | 出生 |
| B | bruit | 传播 |
| B | whole blood | 全血 |
| B | bacterium | 细菌 |
| B | buccal | 颊部的 |
| B | Book | 书 |
| B | B computer language (Ken Thompson; predecessor to C) | B计算机语言(Ken Thompson;C的前身) |
| B | Butut (1/100 division of the dalasi, the Gambian currency) | Butut(1 dalasi分工、冈比亚货币) |
| B | Boat (Stores 100 code) | 船(商店100代码) |
| B | Bombadier | 投弹兵 |
| B | Switzerland Postmark (for letters going to Sardinia) | 瑞士邮戳(用于前往撒丁岛的信件) |
| B | Bearer Channel (ISDN) | 承载信道(ISDN) |
| B | Biography (library code) | 传记(图书馆代码) |
| B | Semipostal (philatelic catalog prefix for non-standard stamps) | 半邮政(非标准邮票的集邮目录前缀) |
| B | Nova Scotia (Canada Post designation) | 新斯科舍省(加拿大邮政编码) |
| B | Bold Text (HTML) | 粗体文本(HTML) |
| B | Bomber (US military aircraft designation; as in B-52) | 轰炸机(美国军用飞机名称;如B-52) |
| B | Magnetic Field Density (physics) | 磁场密度(物理) |
| B | Banknote Corporation of America (philatelic mark for company stamps) | 美国钞票公司(公司邮票的集邮标记) |
| B | Bezier (spline curve) | Bezier(样条曲线) |
| B | Belgium (International Auto Identification) | 比利时(国际汽车识别) |
| B | Panamanian Balboa (national currency) | 巴拿马巴尔博亚(国家货币) |
| B | Birthday (Beatles song) | 生日(披头士歌曲) |
| B | cross-over barrier pattern (US DoD) | 交叉屏障模式(美国国防部) |
| B | Barnabites (religious order) | Barnabites(宗教秩序) |
| B | Above Average grade | 高于平均品位 |
| B | Big | 大的 |
| B | Reverse Side, Record | 反面,记录 |
| B | Bacillus | 芽孢杆菌属 |
| B | Balboa (currency of Panama) | 巴尔博亚(巴拿马货币) |
| B | Birmingham (postcode, United Kingdom) | 伯明翰(邮政编码,英国) |
| B | Biological | 生物学的 |
| B | bacitracin | 杆菌肽 |
| B | Brick | 砖 |
| B | Bag | 纸袋 |
| B | Bat | 球棒 |
| B | Basso | 巴索语 |
| B | Bible | 圣经 |
| B | Biocide | 生物杀灭剂 |
| B | Brazing | 钎焊 |
| B | Bulb | 电灯泡 |
| B | Bone Marrow-Derived Lymphocyte | 骨髓来源淋巴细胞 |
| B | Both | 二者都 |