1
a searchlight
searchlight 是可数名词，指探照灯本身。
The rescue team turned on a searchlight to locate the stranded climber.
救援队打开了探照灯以定位被困的登山者。
探照灯
先理解核心含义，再看它在真实句子里的用法。
探照灯
a light source with reflectors that projects a beam of light in a particular direction
The rescue team turned on a searchlight to locate the stranded climber.
救援队打开了探照灯以定位被困的登山者。
一种可向任意方向投射明亮光束的光源,通常用于军事。
A light source that projects a bright beam of light in any direction, generally for military use.
带有反射器的光源,投射出定向光束
a light source with reflectors that projects a beam of light in a particular direction
上述光源发出的光。
The light from the above source.
The guard swept the yard with a searchlight, looking for any sign of movement.
警卫用探照灯扫过院子，寻找任何动静。
Two searchlights crossed the sky above the prison walls.
两束探照灯的光柱在监狱高墙上方的天空中交错。
A searchlight on the rescue boat helped us find the swimmers in the dark.
救援船上的探照灯帮助我们在黑暗中找到了游泳者。
searchlight 是可数名词，指探照灯本身。
The rescue team turned on a searchlight to locate the stranded climber.
救援队打开了探照灯以定位被困的登山者。
searchlights 是 searchlight 的复数形式。
The searchlights swept across the night sky during the air show.
飞行表演期间，探照灯扫过夜空。
searchlight 可作定语修饰名词，如 beam、tower 等。
A searchlight beam guided the plane to the runway.
一道探照灯光束引导飞机飞向跑道。
Not this
The officer turned on searchlight and swept the harbor.
Use this
The officer turned on a searchlight and swept the harbor.
searchlight 是可数名词，单数可数名词不能单独作宾语；汉语说“打开探照灯”没有冠词，英语必须用 a searchlight 表示“一台探照灯”。
Not this
Two searchlight were aimed at the prison wall.
Use this
Two searchlights were aimed at the prison wall.
searchlight 的复数形式是 searchlights，即在词尾加 -s；two 后面要用复数形式，不能按汉语“两盏探照灯”中名词不变的习惯写成 searchlight。
Not this
The plane used a search light to find the landing strip.
Use this
The plane used a searchlight to find the landing strip.
“探照灯”是复合名词，英语中固定写作一个词 searchlight，中间不能加空格；写成 search light 会变成“搜索光线”之类的短语，不符合名词用法。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
探照灯光束
The searchlight beam cut through the night sky.
探照灯光束划破了夜空。
探照灯操作员
The searchlight operator found the missing hiker on the cliff.
探照灯操作员在悬崖上找到了失踪的徒步者。
在探照灯照射下
The boat was caught under the searchlight.
那艘船被探照灯照了个正着。
用探照灯扫过
The police swept the searchlight across the warehouse.
警察用探照灯扫过仓库。
探照灯的刺眼光芒
The searchlight glare blinded the pilot momentarily.
探照灯的刺眼光芒让飞行员一时失明。
现在我昏昏欲睡，她叫我“宝贝”，而我正被探照灯照着。
From 'Mr. Brightside' by The Killers, a song about jealousy and anxiety; the searchlight evokes feeling exposed and trapped.
出自杀手乐队的《Mr. Brightside》，这首歌讲述嫉妒和焦虑；探照灯暗示一种暴露、无处可遁的感觉。
发长 /aɪ/ 音 (如 high, light)
Same pattern, same sound
Use searchlight naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象搜救队在黑夜中“search”（搜寻）时举起一盏“light”（灯），这就是探照灯 searchlight。
语域：neutral 常见场景：军事、航空、户外作业、影视拍摄 通常指带反射镜、能向特定方向射出光束的强光灯，多用于军事、航空、户外作业或影视拍摄等需要远距离照明的场合；日常口语中较少出现。
searchlights
Dictionary facts from ECDICT, WIKTIONARY.