light bulb
light bulb — 名詞
1. a hollow glass or plastic object with a metal base that screws into a lamp or ce
燈泡
裝在燈具上發光的玻璃物件
a hollow glass or plastic object with a metal base that screws into a lamp or ceiling socket and produces light when electricity passes through it
Sofia replaced the broken light bulb in her bedroom lamp.
Sofia 把臥室燈具裡壞掉的燈泡換掉了。
collocation: replace a light bulb
The light bulb in the kitchen flickered before it went out completely.
廚房裡的燈泡閃爍了幾下，然後完全熄滅了。
verb collocation: flicker / go out
Bao bought a box of six LED bulbs because the lamps in his new apartment had none.
Bao 買了一盒六顆裝的 LED 燈泡，因為新公寓的燈具都還沒有。
Astrid climbed onto a chair to screw the light bulb into the ceiling socket.
Astrid 爬上一張椅子，把燈泡旋進天花板的燈座裡。
Nila accidentally dropped the light bulb on the kitchen floor and it shattered into small pieces.
Nila 不小心把燈泡掉在廚房地板上，摔成了小碎片。
用法筆記
In everyday conversation, 'light bulb' refers to the replaceable glass part that you buy and screw into a lamp or fixture. The whole standing lamp is called a 'lamp' or 'light', not a 'light bulb'.
常見錯誤
2. a moment when someone suddenly understands something or thinks of a new idea tha
靈光乍現
突然理解或想出好點子的瞬間
a moment when someone suddenly understands something or thinks of a new idea that had not occurred to them before
Defne had a light bulb moment while washing dishes and figured out the answer.
Defne 在洗碗時靈光乍現，想出了答案。
idiom: have a light bulb moment
Xiu described her creative breakthrough as a light bulb moment during a morning run.
Xiu 說她的創意突破是在晨跑時靈光一閃想到的。
collocation: described as a light bulb moment
The inventor's light bulb moment came when she watched children playing with building blocks.
那位發明者的靈光乍現，是在看小孩玩積木的時候。
Kevin's light bulb moment happened in the middle of a meeting with his team.
Kevin 的靈光乍現發生在與團隊開會的過程中。
- breakthrough
more formal, suggests a major discovery
- epiphany
more literary and dramatic
- brainwave
common in British English, same register
用法筆記
This figurative sense almost always appears in the set phrase 'light bulb moment' (or 'light-bulb moment'). It is not used as a standalone noun — you would not say 'I had a light bulb' to mean 'I had an idea'.
常見錯誤
3. a type of electric light bulb that uses small electronic devices (light-emitting
LED 燈泡
利用發光二極體照明的省電燈泡
a type of electric light bulb that uses small electronic devices (light-emitting diodes) to produce bright light using very little electricity and lasting a long time
Camille switched all the lights in her home to LED light bulbs last summer.
Camille 去年夏天把家裡所有的燈都換成了 LED 燈泡。
collocation: switch to LED light bulbs
The LED light bulb on the desk gives a bright, white light without getting hot.
書桌上的 LED 燈泡發出明亮白光，而且不會發燙。
Sirin chose an LED light bulb that lasts for over ten years of normal use.
Sirin 選了一顆正常使用下可持續超過十年的 LED 燈泡。
When the Watanabe family switched to LED light bulbs, their monthly electricity bill dropped by nearly a third.
渡邊家換成 LED 燈泡後，每月的電費帳單少了將近三分之一。
- LED lamp
often used interchangeably with 'LED bulb'
- incandescent bulb
older technology that uses more energy
用法筆記
LED bulbs are now the most common type sold in stores. They cost more to buy but save money over time because they last much longer and use far less electricity.
4. a type of light bulb that produces light by heating a thin metal wire (a filamen
白熾燈泡
靠加熱燈絲發光的傳統燈泡
a type of light bulb that produces light by heating a thin metal wire (a filament) inside the glass until it glows
The European Union stopped selling incandescent light bulbs in 2012 because they use too much energy.
歐盟從 2012 年開始禁止販售白熾燈泡，因為它們太耗電了。
collocation: incandescent light bulb
Talia prefers incandescent light bulbs for the warm, yellowish light they give off.
Talia 偏愛白熾燈泡，因為它發出溫暖偏黃的光。
The old lamp still uses an incandescent light bulb with a visible wire inside.
那盞舊檯燈用的仍是白熾燈泡，可以看到內部的金屬絲。
Putri keeps incandescent light bulbs in her bedroom because the warm orange glow helps her fall asleep.
Putri 在臥室裡繼續使用白熾燈泡，因為溫暖的橘色光芒有助她入睡。
- traditional bulb
everyday term, less technical
- LED bulb
modern, energy-efficient alternative
用法筆記
Incandescent bulbs are the traditional type invented by Edison. They are being replaced by LEDs in most places because they use more electricity and generate more heat.
5. a tube-shaped or spiral electric light that produces light when a special powder
螢光燈管
內部塗有螢光粉的管狀燈具
a tube-shaped or spiral electric light that produces light when a special powder coating on the inside is activated by electricity passing through gas
The long fluorescent light bulbs in the school hallway take a moment to turn on fully.
學校走廊的長型螢光燈管需要一點時間才會全亮。
collocation: fluorescent light bulb
Quinn replaced the kitchen's fluorescent light bulbs with LED ones to save money.
Quinn 把廚房的螢光燈管換成 LED 燈泡，以節省電費。
The fluorescent light bulb in Gabriel's garage workshop buzzed for a moment before lighting up the whole room.
Gabriel 車庫工作室裡的螢光燈管發出嗡嗡聲響了一會兒，然後照亮了整個房間。
The spiral fluorescent light bulb in the living room saves more energy than the old kind.
客廳裡的螺旋形螢光燈管比舊式的更省電。
- CFL
stands for 'compact fluorescent lamp', the spiral-shaped type
- strip light
UK term for long tube-shaped fluorescent lights
用法筆記
Fluorescent bulbs are more energy-efficient than incandescent ones but contain a small amount of mercury, so they must be recycled properly, not thrown in the trash.
6. the entire lighting unit that hangs from the ceiling or attaches to a wall, incl
電燈
包含燈泡與燈具的整體照明設備
the entire lighting unit that hangs from the ceiling or attaches to a wall, including both the bulb and its surrounding shade or housing, considered as a single finished product
Ayana pulled the chain to turn on the light bulb hanging from the ceiling.
Ayana 拉了一下鏈條，打開天花板上垂掛的電燈。
whole-fixture sense: turn on a light bulb
The dining room has a designer light bulb with a copper frame and a frosted glass shade.
餐廳裡有一盞設計款電燈，銅製外框搭配霧面玻璃燈罩。
Jason installed a new light bulb with a fan attached to it in the bedroom.
Jason 在臥室安裝了一盞附風扇的新電燈。
Manuela chose a brass light bulb with three curved arms for the hallway ceiling.
Manuela 為走廊天花板選了一盞黃銅三臂電燈。
- lamp
the more common word for the whole lighting unit
- light fixture
more formal, used in building and design contexts
用法筆記
In this broader sense, 'light bulb' refers to the whole lighting unit including its shade or housing, sold as a complete product. This is different from sense 1, where 'light bulb' means only the replaceable glass part that screws into a socket. Sense 6 is common in home-decor catalogues when describing an entire pendant or ceiling light.