| 序号 | 英文 | 音标 | 词性 | 中文 |
| | backhand stroke | | | 反手击球 |
| | backhand swing | | | 以拳背击人 |
| | backhand topspin service | | | 发反手下旋[上旋]球 |
| | backhand volley | | | 反手拦网 |
| | backhanded | bAk5hAndId | adj. | 反手拍击的, 间接的 |
| | backhander | 5bAkhAndE(r) | n. | 逆打,追加的一杯酒,<英>回扣 |
| | backhaul | `bAkhR:l | n. | (货运车的)回程(通常亦载货),回程运费 |
| | backhoe | `bAkhEu | n. | (有伸缩挖掘装置的)锄耕机 |
| | backhoe bucket | | | 反(向)铲 |
| | backhoe type | | | 反铲式 |
| | backhouse | `bAkhBus | n. | 后面的小屋, (尤指)厕所 |
| | backing | 5bAkiN | n. | 衬背, 援助, 支持者, 赞助者 |
| | backing and stopping trial | | | 倒退及停航试验 |
| | backing belt | | | 倒车皮带 |
| | backing board | | | 垫板, 载模板 |
| | backing card | | | 衬靶纸 |
| | backing cloth | | | 背衬 |
| | backing coil | | | 补偿绕组， 反接绕组 |
| | backing cough | | | 剧烈的干咳 |
| | backing film | | | 底片 |
| | backing movement | | | 推进运动[调车] |
| | backing of smoke | | | [采矿]推回火灾烟雾 |
| | backing off | | | 卸[退]下 |
| | backing out | | | 返回,现场恢复 |
| | backing pages | | | 正反两页(如第三页与第四页) |
| | backing paper | | | 底子纸 |
| | backing pass | | | 封底焊道 |
| | backing pin | | | 挡销, 支销 |
| | backing pulley | | | 回行皮带轮 |
| | backing pump | | | 初级抽气泵 |
| | backing register | | | 后备寄存器, 后援寄存器 |
| | backing ring | | | 垫环 |
| | backing sand | | | 背砂, 填充砂 |
| | backing shunting | | | 推进调车, 后退调车 |
| | backing side | | | (磁带)背面, 反面 |
| | backing side trap | | | 前级侧阱 |
| | backing space | | | 前级空间 |
| | backing space technique | | | 前级真空技术 |
| | backing stage | | | 前级 |
| | backing storage | | | 辅助存储器, 外存储器, 备用存储器 |
| | backing store | | | [计]存储器回填,将存储备份 |
| | backing strip | | | 衬里 |
| | backing turbine | | | 倒车透平 |
| | backing up | | | 回投[冲, 行] |
| | backjoint | | | 平行解理走向的节理面 |
| | backkward | | adv. | 向后地 |
| | backland | | n.；adj. | n. 内地,偏僻地区, 内陆地区；adj. 偏僻地区的 |
| | backlash | 5bAklAF | n. | 反斜线(\), 后座, 后冲 |
| | backlash circuit | | | 齿隙式电路 |
| | backlash compensation | | | 间隙补偿 |
| | backlash eliminator | | | 齿隙消除器, (螺纹)间消除器 |
| | backlash nonlinearity | | | 间隙非线性 |
| | backlash spring | | | 挡隙簧, 消隙弹簧 |
| | backlash valve | | | 无游隙阀门 |
| | backleg | | | 逆导磁体 |
| | backless | `bAklIs | adj. | 无背的, 无靠背部的,无后盾的 |
| | backless costume | | n. | 露背装 |
| | backlight | `bAklaIt | vt.；n. | vt. 从背后照亮 ；n. 背后照明 |
| | backlighting | | n. | 逆光 |
| | backlighting photography | | | 逆光照 |
| | backlimb | | | [地质]背翼 |
| | backlining | `bAk9laInIN | n. | (加固书脊的)背衬料 |
| | backlist | 5bAklIst | n.；vt. | n. 库存书籍目录, 重版目录, 重版书；vt. 列入重版目录 |
| | backlocking | | | 反闭锁 |
| | backlocking track circuit | | | 反锁闭轨道电路 |
| | backlog | 5bAklRg | n. | 大木材, 订货 |
| | backlog document | | | 积压文件 |
| | backlog order | | | 未交货的订货总额 |
| | backlot | `bAklCt | n. | (电影制片厂的)外景场地 |
| | backman | | | 杂工, 辅助工 |
| | backmarker | `bAk9mB:kE(r) | n. | 不享有让分优待的参赛者 |
| | backmixing | | | 反混 |
| | backmost | 5bAkmEust | adj. | 最后面的 |
| | backoff | | | 铲背 |
| | backout | | n. | 拆除 |
| | backpack | 5bAkpAk | v.；n. | v. 挑运；n. 挑运, 背包 |
| | backpack pump | | | [美]背囊喷雾器 |
| | backpaddle | | v. | 逆桨(以使船停止) |
| | backpat | `bAkpAt | v.；n. | v. 拍(…)肩背以示赞许；n. ( 表示赞许等的)拍肩；n. 赞许表示 |
| | backpedal | 5bAkped(E)l | vi. | 倒踏脚踏板, 变卦, 后退 |
| | backpiece | | | 护背 |
| | backpitch | | | 背节距, 反螺旋 |
| | backplan | | | 底视图 |
| | backplane | | | 底板 |
| | backplate | | | 信号板 |
| | backplate assembly | | | 后挡盖组件 |
| | backplate circuit | | | 信号板电路 |
| | backplate modulation | | | 信号板调 制 |
| | backpressure | | | 背压 |
| | backpressure governor | | | 背压调节器 |
| | backpressure manometer | | | 后压测压计 |
| | backpressure operation | | | (压滤机的)背压操作 |
| | backpressure regulator | | | 背压调节器 |
| | backproject | `bAkprE9dVekt | n.；v. | n. 幕后放映的影像；v. 幕后放映 |
| | backrest | 5bAkrest | n. | 靠背 |
| | backroad | | | <美口>乡村道路(尤指未铺过的) |
| | backroom | | adj. | 后屋, 密室, 暗中的, 私下的, 密谋策划的场所, 秘密完成的 |
| | backroom boys | | | 智囊团 |
| | backroom stock | | | 商店辅助仓库的储存品 |
| | backrope | | | 斜桁撑杆后支索 |
| | backrun | | | 逆向的, 反转的 |