1
the front/rear axle
front axle 指前轴，rear axle 指后轴。
The rear axle of the truck was damaged in the accident.
卡车的后轴在事故中损坏了。
轴；车轴
先理解核心含义，再看它在真实句子里的用法。
轴；车轴
a rod or shaft that passes through the center of a wheel and on which the wheel turns
The rear axle of the truck was damaged in the accident.
卡车的后轴在事故中损坏了。
轮子围绕其旋转的销或轴,或与轮子一起旋转的轴。
The pin or spindle on which a wheel revolves, or which revolves with a wheel.
车轮旋转的轴
a shaft on which a wheel rotates
连接车辆或马车相对车轮的横向杆或轴；车轴。
A transverse bar or shaft connecting the opposite wheels of a car or carriage; an axletree.
The mechanic said the truck's axle was bent and needed replacing.
修理工说卡车的车轴弯了，需要更换。
The rear axles of the bus carry most of the vehicle's weight.
巴士的后轴承担了车辆的大部分重量。
You should check the axle on the bicycle for rust before the long ride.
长途骑行前，你应该检查一下自行车上的车轴有没有生锈。
front axle 指前轴，rear axle 指后轴。
The rear axle of the truck was damaged in the accident.
卡车的后轴在事故中损坏了。
介词 on 表示“在……上”。
Each wheel rotates independently on its own axle.
每个轮子都绕着自己的轴独立旋转。
常用 of 结构说明所属关系。
The axle of the bicycle wheel was bent.
自行车车轮的轴弯曲了。
Not this
The Earth rotates on its axle.
Use this
The Earth rotates on its axis.
axle 指车轮转动的实心车轴，axis 指天体或几何图形旋转的假想轴线；地球自转的轴是 axis，不是 axle。
Not this
This truck has two axle.
Use this
This truck has two axles.
axle 是可数名词，复数形式为 axles；在 two 这类数词后必须使用复数形式，中文没有复数变化，容易漏掉 -s。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
前轴
The front axle of the car was bent in the accident.
汽车的前轴在事故中弯曲了。
后轴
He applied grease to the rear axle of the trailer.
他往拖车的后轴上涂了润滑脂。
驱动轴
The drive axle sends power from the motor to the wheels.
驱动轴将电机的动力传送到车轮。
车轴
A damaged axle shaft can cause a wheel to wobble.
损坏的车轴会导致车轮摇晃。
轴载
Government regulations set a maximum axle load for trucks.
政府法规对卡车设定了最大轴载。
Use axle naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
将 axle 拆成 ax + le：想象一把斧头(ax)横穿车轮中心当车轴，车轮绕它转动。
语域：neutral 常见场景：车辆维修、机械工程、日常汽车话题 axle 是一个标准的具体部件名词，通常用于车辆、机械和工程相关表述，语气中性，在正式说明和一般对话中都可以使用。日常提到汽车时比较常见，不过更随意的口语里有时会说“车轴”或更具体的部件名称。
axle 读作 /ˈæksəl/（两个音节）。axel 与它同音，拼写只差最后一个字母。注意：axe /æks/ 少一个音节；axis /ˈæksɪs/ 第二音节是 /ɪs/；ankle /ˈæŋkəl/ 和 tackle /ˈtækəl/ 拼写相近，但读音分别含 /ŋk/ 和 /k/，与 axle 的 /ks/ 不同，均不押韵。
Dictionary facts from ECDICT, WIKTIONARY.