| 序号 | 英文 | 音标 | 词性 | 中文 |
| | base polymer | | | 原料聚合物 |
| | base population | | | 基底群体 |
| | base price | | n. | 底价 |
| | base product | | | 蒸馏塔底 |
| | base pump station | | | 总泵站 |
| | base radius | | | 基圆半径 |
| | base rate | | n. | 基本利率 |
| | base rate area | | | 基本费率区, 免费服务区 |
| | base region | | | 基极区, 基本区 |
| | base register | | | 基址[变址]寄存器 |
| | base resistance | | | 基极电阻 |
| | base ring | | | 基区环(半导体) |
| | base runner | | n. | <美>[棒球]跑垒员 |
| | base running | | n. | [棒球]跑垒 |
| | base salary | | | 底薪 |
| | base saturation | | | 盐基饱和 |
| | base screw | | | 底座螺钉 |
| | base sequence | | | 碱基顺序 |
| | base sheet | | | 底图 |
| | base shield | | | 管座屏蔽 |
| | base size | | | (退火 、 铅淬火钢丝或先镀后拔的镀锌 、 镀锡钢丝的)终拔前尺寸 |
| | base slag | | | 碱(性炉)渣 |
| | base snow | | | 老积雪层 |
| | base space | | | 底空间 |
| | base speed | | | (调速电动机的)基本速度 |
| | base stabilization | | | 基极稳定 |
| | base stacking | | | 碱基堆积 |
| | base station | | | 基点, 基地 |
| | base status | | | 盐基值 |
| | base stealing | | n. | [棒球]盗垒 |
| | base steel | | | (镀锡薄板)钢基 |
| | base stock | | | (油)基 |
| | base stock inventory | | | 基本库存量 |
| | base sump | | | 集油池 |
| | base surge | | | [核]底散云 |
| | base tangent length | | | 公法线长度 |
| | base terminal | | | 基极引出端 |
| | base terms | | | 底项 |
| | base thickness | | | (皮碗、封圈)基本轴向厚度 |
| | base time | | | 额定时间 |
| | base transition | | | 碱基转换 |
| | base transmission factor | | | [电子]基极传输因数 |
| | base transport effect | | | 基区传输效应 |
| | base turbine | | | 后置汽轮机 |
| | base umpire | | n. | [棒球]垒审 |
| | base unit weight | | | 基本单位重量 |
| | base upon | | | 根据, 依据 |
| | base values | | | 基础指标, 基础资料 |
| | base vectors | | | 基向量 |
| | base wad | | | 底垫, 基垫 |
| | base wage | | n. | 基本工资 |
| | base width | | | 基层[基区]宽度 |
| | base winding | | | 基极电路绕组 |
| | base word | | | 基区字 |
| | base-born | | adj. | 出身微贱的 |
| | base-court | | n. | 农家的后院, 城堡的外庭 |
| | baseball | 5beisbC:l | n. | 棒球, 棒球运动 |
| | baseball glove | | n. | 棒球手套 |
| | baseball leather | | | 棒球革 |
| | baseball pass | | | 棒球式传球, 正手传球 |
| | baseball throw | | | 棒球式掷球, 正手掷球 |
| | baseballer | | n. | 棒球选手, 棒球队经理 |
| | baseband | 5beisbAnd | | 基带 |
| | baseband bank | | | 基带组合 |
| | baseband combiner | | | 基带并合器 |
| | baseband data set | | | 基带数据传输机 |
| | baseband frequency response | | | 基带频(率)响(应)特性 |
| | baseband interconnection | | | 基带连接 |
| | baseband phase | | | 基带相位 |
| | baseband switching | | | 基带转换 |
| | baseboard | 5beisbC:d | n. | 护壁板, 脚板 |
| | baseborn | | adj. | 出身微贱的, 庶生的 |
| | basebred | | adj. | 下贱的, 无教养的 |
| | baseburner | `beIs9b\:nE(r) | n. | 自动添煤之火炉 |
| | basecoat | | n. | (油漆等)最下面的一层 |
| | basecourt | `beIskR:t | n. | (城堡中供仆人住的)外院,(农舍的)后院 |
| | based | beIst | v. | 立基于, 基于..., 以...为基础, vbl.建立,装置 |
| | based drawing | | | 底图 |
| | based marriage | | | 恋爱婚姻 |
| | based variable | | | 有基变量 |
| | basehearted | | adj. | 性情卑鄙的 |
| | baselap | 5beislAp | | 底超 |
| | baselateral | 5beis7lAtErEl | | 基侧的 |
| | baseless | 5beislis | adj. | 无根据的 |
| | baseless needled felt | | | 无底布针刺毛毯 |
| | baseless subminiature vacuum tube | | | 无座指形管 |
| | baseleveling epoch | | | [地质]基准面期 |
| | baseline | 5beislain | n. | [计]基线 |
| | baseline adjustment | | | 基线调整 |
| | baseline break | | | 基线中断 |
| | baseline correction | | | 基线校正 |
| | baseline drift | | | 基线漂移 |
| | baseline drift corrector | | | 基线漂移校正器 |
| | baseline fluctuation | | | 基线波动 |
| | baseline game | | | 底线球战术 |
| | baseline group | | | 控制组, 基准组 |
| | baseline of diagram | | | 图形基线 |
| | baseline reference | | | 基线基准, 基线参考点 |
| | baseline shift | | | 基线位移 |
| | baseline station | | | 基线站 |
| | baseline stepping | | | 基线(成台阶状)颤动 |