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Chassis + 系动词/不及物动词
chassis 单复数同形，作主语时谓语动词常用单数。
The chassis supports the engine.
底盘支撑着发动机。
底盘
先理解核心含义，再看它在真实句子里的用法。
底盘
the base frame of a vehicle or piece of machinery
The chassis supports the engine.
底盘支撑着发动机。
车辆或机器的基架
车辆的底盘框架,如机动车辆。
The base frame of a vehicle, such as a motor vehicle.
人体的另一种称呼
alternative names for the body of a human being
包含电气或机械设备的框架或外壳,如计算机上的。
A frame or housing containing electrical or mechanical equipment, such as on a computer.
电子设备电路组件的金属支架
a metal mounting for the circuit components of an electronic device
The car's chassis is made of lightweight aluminum to improve fuel efficiency.
这辆汽车的底盘由轻质铝制成，以提高燃油效率。
He removed the side panel of the computer chassis to install a new graphics card.
他拆下电脑机箱的侧面板来安装新的显卡。
The truck's chassis was severely rusted after years of exposure to salt water.
这辆卡车的底盘因多年暴露在盐水中而严重生锈。
chassis 单复数同形，作主语时谓语动词常用单数。
The chassis supports the engine.
底盘支撑着发动机。
We welded the chassis.
我们焊接了底盘。
可以用形容词修饰 chassis。
This car has a sturdy chassis.
这辆车有一个坚固的底盘。
Not this
The mechanic repaired several chasses.
Use this
The mechanic repaired several chassis.
'chassis'的单复数同形，所以复数不应加-es。正确形式仍然是chassis。
Not this
How much chassis do you need?
Use this
How many chassis do you need?
'chassis'是可数名词，应使用many修饰，不能用much。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
汽车底盘
The mechanic inspected the car chassis for rust.
机械师检查了汽车底盘是否有锈迹。
底盘框架
The chassis frame is made of high-strength steel.
底盘框架由高强度钢制成。
电脑机箱
The computer chassis has room for two extra fans.
这个电脑机箱有空间容纳两个额外的风扇。
底盘设计
Advanced chassis design improves both safety and handling.
先进的底盘设计提高了安全性和操控性。
车架号
You can check the vehicle's chassis number on the registration document.
你可以在登记文件上查看车辆的车架号。
机壳接地
Connect the metal case to the chassis ground.
将金属外壳连接到机壳接地。
Use chassis naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记住 chassis 中有两个 s，像底盘上两根平行的纵梁，稳稳撑起整个车身。
语域：formal 常见场景：automotive engineering、vehicle maintenance、mechanical engineering chassis 指车辆底盘/车架时通常用于技术性、书面或较正式的语境，多出现在汽车工程、维修手册和产品规格等场景中。使用该词时一般应搭配较专业的语境。
可数名词，单复数同形
Dictionary facts from ECDICT, WIKTIONARY.