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TOEFL IELTS BNC: 5690 COCA: 4901

bulb

Word family
bulb /bʌlb/ ●●○ noun [countableC]  
1 bulb.jpg DTthe glass part of an electric light, that the light shines from 灯泡 SYN light bulb
 a 100-watt bulb
一个100瓦的灯泡
4  See picture of 见图 ELECTRICS
2 HBPa root shaped like a ball that grows into a flower or plant 〔植物的〕球茎,鳞茎,球根
 tulip bulbs
郁金香球茎
5 see picture at 见图 tree
Examples from the Corpus
Origin bulb
(1500-1600) Latin bulbus, from Greek bolbos plant with a bulb
bulb noun
Chinese
Corpus

See also: ldoce4162jpg

TOEFL IELTS BNC: 5690 COCA: 4901
bulb

noun¹

1part of an electric lamp電燈ADJECTIVE | VERB + BULB | BULB + VERB ADJECTIVEelectric電燈泡light電燈泡100-watt, 60-watt, etc. * 100 瓦、60 瓦等的電燈泡bare, naked無罩燈泡single單個燈泡bright, dim明亮的/昏暗的燈泡A single dim light bulb lit the room.屋裏只有一隻昏暗的燈泡照明。energy-efficient, energy-saving, low-energy (especially BrE) 節能燈泡;低能耗燈泡fluorescent, incandescent熒光燈泡;白熾燈泡halogen滷素燈泡clear, coloured/colored透明/彩色燈泡VERB + BULBchange, replace換燈泡Switch the light off before you change the bulb.換燈泡前把燈關上。remove, unscrew取下/擰下燈泡Can you remove the bulb and replace it with an energy-efficient one?你能將那個燈泡取下來換上一個節能燈泡嗎?BULB + VERBlight sth燈泡照亮⋯The room was lit only by a single 40-watt light bulb.房間只有一隻 40 瓦的燈泡照明。go燈泡壞掉I think the bulb is going to go. It's been flickering all evening.我想這隻燈泡就要壞了,它整個晚上一直在閃。flicker燈泡忽閃flash, go off燈泡閃亮/熄滅Red and green bulbs flashed on and off.紅紅綠綠的燈泡時明時滅地閃爍。There was a startled look on his face when the flashbulb went off.閃光燈閃過時,他臉上一副驚愕的表情。hang燈泡懸垂A single electric light bulb hung from the ceiling.一隻電燈泡從天花板上垂下來。last燈泡持續使用(⋯時間)These new bulbs last much longer than the ordinary ones.這些新燈泡比普通燈泡壽命長。
bulb

noun²

2round plant root(植物)鱗莖ADJECTIVE | VERB + BULB | BULB + VERB ADJECTIVEflower花的鱗莖spring, spring-flowering, summer, summer-flowering春天開花的鱗莖;夏天開花的鱗莖daffodil, tulip, etc.水仙、鬱金香等鱗莖VERB + BULBplace, plant種鱗莖I'm planting some bulbs for next year.我正在種一些鱗莖,為明年生長做準備。Place the bulbs close together.把這些鱗莖密集地埋種在一起。dig up, take up挖出鱗莖grow種植鱗莖water給鱗莖澆水She usually waters the indoor bulbs once a week.她通常每星期給室內的鱗莖澆一次水。BULB + VERBgrow鱗莖生長flower鱗莖開花sprout鱗莖發芽
TOEFL IELTS BNC: 5690 COCA: 4901
TOEFL IELTS BNC: 5690 COCA: 4901
bulb
Parts of lamps and lights: bulb, dimmer, filament...
Parts of plants: aerial root, anther, beanstalk...

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