turn on/off one's headlights
headlights 通常用复数形式。
He turned on his headlights as dusk fell.
黄昏时他打开了车头灯。
前灯；车头灯
headlights — plural of headlight
机动车前部带透镜和反射镜的明亮车灯,用于夜间照亮道路,通常成对。；带反射器的强力灯,装在汽车或机车前部；桅灯；[电] 车前灯
a bright light with a reflector, fixed to the front of a car or locomotive
机动车前部带透镜和反射镜的明亮车灯,用于夜间照亮道路,通常成对。
A bright light, with a lens and reflector, on the front of a motor vehicle (or originally a ship or train), designed to illuminate the road when driving at night; normally one of a pair.
带反射器的强力灯,装在汽车或机车前部
a powerful light with reflector; attached to the front of an automobile or locomotive
I turned on the car's headlights before driving through the dark tunnel.
我开车穿过黑暗的隧道前打开了汽车的前灯。
用法提示：headlights 是 headlight 的复数形式，这里指汽车前灯。
One of the motorcycle's headlights stopped working during the night ride.
夜间骑行时，摩托车的一个前灯不亮了。
用法提示：headlight 是名词，表示摩托车的前灯。
The driver cleaned the headlight so the road would be clearly visible.
司机擦干净了车头灯，以便看清路面。
用法提示：headlight 是单数名词，指车头灯。
headlights 通常用复数形式。
He turned on his headlights as dusk fell.
黄昏时他打开了车头灯。
这里的 on 是副词，表示“开着”的状态。
Drivers must drive with their headlights on at night.
夜间驾车必须开着前灯。
The headlights illuminated the foggy road.
车头灯照亮了雾气弥漫的道路。
较正式/技术性，通常与 headlight 互换；但 headlamp 也可指戴在头上的照明灯，需根据语境判断。
较通用，可指自行车等车辆前部的灯；在汽车语境中可与 headlight 互换，但不如其精确。
grammar · medium
易错句子The car has two headlight.
正确表达The car has two headlights.
headlight 是可数名词，表示两盏车灯时要用复数 headlights。汉语没有复数变形，容易漏掉 -s。
grammar · medium
易错句子Please open the headlights.
正确表达Please turn on the headlights.
汉语的“开灯”的“开”在英语中对应 turn on / switch on，而 open 只表示打开门、窗等有开口的事物，不能与 headlights 搭配。
名词，车辆后部的灯，与车头灯相对；headlight 指前方照明灯，taillight 指后方示廓/刹车灯，二者位置相反，不能互换使用。
headlight 指车头灯这个装置；high beam 指车头灯里的远光档位，是夜间照亮更远路面的模式。
headlamp 既可指戴在头上、矿工用的头灯，也可作为英式英语对车头灯的称呼；headlight 更常指汽车或火车前部的照明灯。
headlight 在车辆前部，taillight 在车辆后部，方向相反，不要混用。
打开车头灯
It was getting dark, so she turned on the headlights.
天黑了，所以她打开了车头灯。
汽车前灯
The car headlights lit up the dark road.
汽车前灯照亮了黑暗的道路。
前灯光束
The headlight beam cut through the fog.
前灯光束穿透了雾气。
迎面驶来的车头灯
The oncoming headlights dazzled the driver for a moment.
迎面驶来的车头灯让司机一时目眩。
明亮的车头灯
The bright headlights made it easy to see the deer on the road.
明亮的车头灯让人很容易看到路上的鹿。
flash+light
spot+light
day+light
moon+light
sun+light
night+light
head + light; related: headlamp, flashlight, headphone
与车头灯同属汽车前部组件
与车头灯同属汽车前部组件
与车头灯同属汽车前部组件
与车头灯同属汽车前部组件
与车头灯同属汽车前部组件
吓得发愣，不知所措
When the teacher asked him the question, he froze like a deer in headlights.
老师提问时，他像被车头灯照到的鹿一样愣住了。
发短 /ɛ/ 音 (如 head, bread)
Dictionary facts from ECDICT, WIKTIONARY.
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