1
a floodlight
floodlight 作为可数名词，表示单个泛光灯。
The stadium is equipped with a powerful floodlight.
体育场配备了一盏强大的泛光灯。
泛光灯；投光灯
floodlights — plural of floodlight
先理解核心含义，再看它在真实句子里的用法。
泛光灯；投光灯
a lamp that casts a bright beam of light, used in theatres, studios, or outdoors
The stadium is equipped with a powerful floodlight.
体育场配备了一盏强大的泛光灯。
指灯具本身
用于剧院和摄影棚的强光投影灯；泛光灯。
A projector of a bright beam of light for use in theatres and studios; a flood
一种具有宽光束的人造照明光源；用于摄影
light that is a source of artificial illumination having a broad beam; used in photography
具有宽光束的强力人工照明,尤指用于照亮体育场的一系列灯柱上的照明装置。
Powerful artificial illumination with a broad beam, especially in a series of units on pylons used to illuminate a sports ground.
The stadium's floodlights came on just before the evening match.
体育场的泛光灯在晚间比赛开始前亮了起来。
A single floodlight lit the whole stage during the rehearsal.
排练期间，一盏泛光灯照亮了整个舞台。
They installed four floodlights around the tennis court for night games.
他们在网球场周围安装了四盏泛光灯，供夜间比赛使用。
floodlight 作为可数名词，表示单个泛光灯。
The stadium is equipped with a powerful floodlight.
体育场配备了一盏强大的泛光灯。
常用复数形式表示多盏泛光灯或泛光灯系统。
The garden floodlights were turned on at dusk.
花园的泛光灯在黄昏时打开了。
floodlight 作动词时，过去式和过去分词为 floodlit。
They floodlight the building every night.
他们每晚用泛光灯照亮那栋建筑。
常用被动结构表示被泛光灯照明的状态。
The castle was floodlit for the celebration.
城堡为庆祝活动被泛光灯照亮。
Not this
There are many floodlight in the stadium.
Use this
There are many floodlights in the stadium.
floodlight 是可数名词，复数形式需要加 -s，不能省略。
Not this
Yesterday, they floodlighted the entire field.
Use this
Yesterday, they floodlit the entire field.
floodlight 的过去式及过去分词是不规则形式 floodlit，不是 floodlighted。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
在泛光灯下
The team is used to playing under the floodlights.
这支球队习惯了在泛光灯下比赛。
打开泛光灯
The ground staff turned on the floodlights for the evening match.
球场工作人员为晚场比赛打开了泛光灯。
泛光灯塔架
The floodlight pylons around the stadium are visible from miles away.
体育场周围的泛光灯塔架从数英里外就能看见。
一排泛光灯
A bank of floodlights lit up the entire pitch.
一排泛光灯照亮了整个球场。
泛光灯的强光
The glare of the floodlights made it hard for the goalkeeper to see the ball.
泛光灯的强光使守门员很难看清球。
泛光灯的光束
The floodlight beam swept across the field.
泛光灯的光束扫过球场。
发短 /ʌ/ 音 (如 blood)
Same pattern, same sound
Use floodlights naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
flood（洪水）+ light（光）：像洪水倾泻而下的强光，把体育场照得亮如白昼。
语域：neutral 常见场景：sports stadium、theatre or studio、outdoor event floodlight 是通用中性词，不算正式或口语，多用于指称体育场、剧院/摄影棚或户外场所使用的泛光灯/投光灯；在日常描述和书面说明中都比较常见。
以上以 -light 结尾的词都读 /laɪt/，与 floodlight 结尾的 /laɪt/ 押韵。注意 flood- 中的 oo 发 /ʌ/，所以 floodlight 读 /ˈflʌdˌlaɪt/，不要根据拼写读成 /ˈfluːdˌlaɪt/（food /fuːd/ 才是 /uː/）。
Dictionary facts from ECDICT, WIKTIONARY.