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单词 bulb
释义
bulb
noun[C]
uk
/bʌlb/us
/bʌlb/

bulbnoun[C](PLANT)

a roundrootof someplantsfrom which theplantgrows:
球茎，鳞茎
tulipbulbs郁金香球茎
picture of bulb
Steve Gorton/Dorling Kindersley/GettyImages
SMART Vocabulary: related words and phrases
Parts of plants
  • bilobed
  • blade
  • bough
  • calyx
  • caning
  • cascara sagrada
  • corolla
  • endodermis
  • needle
  • outgrowth
  • rhizome
  • simple leaf
  • spine
  • stoma
  • tea leaf
  • trunk
  • variegation
  • vascular
  • veined
  • vesicle
See more results »

bulbnoun[C](LIGHT)

B1
alight bulb
电灯泡
picture of bulb
Science Photo Library/Science Photo Library/GettyImages
SMART Vocabulary: related words and phrases
Lighting & light fittings in the home
  • candelabra
  • candle
  • candlestick
  • candlewick
  • chandelier
  • halogen lamp
  • head torch
  • headlamp
  • hurricane lamp
  • lamp
  • nightlight
  • penlight
  • rope light
  • SAD lamp
  • searchlight
  • tiki torch
  • unlit
  • uplighter
  • votive candle
  • wick
See more results »
(Definition ofbulbfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

bulb| American Dictionary

bulb
noun[C]
us
/bʌlb/

bulbnoun[C](LIGHT)

alightbulb:
The bulbburnedout in thekitchen.

bulbnoun[C](PLANT)

a ball-likerootfrom which someplantsgrow:
Lilies andtulipsgrowfrom bulbs.
(Definition ofbulbfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofbulb

bulb
A number of respondents thought they might be safer than ordinary bulbs, as they needed to be changed less often.
From theCambridge English Corpus
In addition to the dry appearance the bulbs are frequently quite definitely below the size to be expected and are somewhat soft.
From theCambridge English Corpus
We did not detect any reporter+ cells with neuronal morphology in the olfactorybulbof double transgenic mice.
From theCambridge English Corpus
The user therefore has to interpolate from his measured wet-bulbtemperature to find the vapour pressure or relative humidity.
From theCambridge English Corpus
Thus, it became necessary to document and study the monoliths at night, using the battery of an automobile and lamps with low-voltage bulbs.
From theCambridge English Corpus
As a direct result of this loss the scales shrink slightly, air-pockets thickly populated with mites are formed, and the wholebulbbecomes flaccid.
From theCambridge English Corpus
A directly viewed grain-of-wheatbulb, placed off to the side in the dimly illuminated room, was used for peripheral fixation.
From theCambridge English Corpus
This work included cutting the lateral olfactory tract, thereby isolating the olfactorybulbfrom olfactory cortex.
From theCambridge English Corpus
The child then experienced six acoustic probes which alternated between the lightbulbbeing on and off (on, off; on, off; on, off).
From theCambridge English Corpus
The bulbs were switched on and o manually each day at 1730 and 2030 hours respectively.
From theCambridge English Corpus
Most noticeable was the beginning of the formation of the medianbulb; the nucleus of the dorsal oesophageal gland also became pronounced.
From theCambridge English Corpus
As previously stated, mites congregate upon the buds at about the time at which these are extruded from thebulbneck.
From theCambridge English Corpus
The ambient temperature was recorded using a drybulbthermometer.
From theCambridge English Corpus
As the foliage dies back the mites wander along it and so cross to adjacent bulbs.
From theCambridge English Corpus
Undamagedbulbb emits light if s2 is closed.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/bulb##
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更新时间：2024/12/28 8:47:05