bulb

英 [bʌlb]

美 [bʌlb]

n. 电灯泡; (植物)鳞茎; 鳞茎状物(如温度计的球部)

复数：bulbs　

Collins.2 / BNC.5690 / COCA.4901

牛津词典

noun

电灯泡
the glass part that fits into an electric lamp, etc. to give light when it is switched on
1. a 60-watt bulb
  60瓦的灯泡
2. a room lit by bare bulbs (= with no decorative cover)
  只有光秃秃的电灯泡照明的屋子（无灯罩、灯饰）
（植物）鳞茎
the round underground part of some plants, shaped like an onion , that grows into a new plant every year
鳞茎状物（如温度计的球部）
an object shaped like a bulb , for example the end of a thermometer

N-COUNT 电灯泡
Abulbis the glass part of an electric lamp, which gives out light when electricity passes through it.
1. The stairwell was lit by a single bulb.
  楼梯间只有一盏灯照明。
N-COUNT 球茎；鳞茎
Abulbis a root shaped like an onion that grows into a flower or plant.
1. ...tulip bulbs.
  郁金香球茎

noun

a rounded part of a cylindrical instrument (usually at one end)
1. the bulb of a syringe
electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
Synonym:light bulblightbulbincandescent lampelectric lightelectric-light bulb
a rounded dilation or expansion in a canal or vessel or organ
lower or hindmost part of the brain
1. the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning
Synonym:medulla oblongatamedulla
a modified bud consisting of a thickened globular underground stem serving as a reproductive structure
anything with a round shape resembling a teardrop

I almost dropped the bulb.
我差点儿失手把灯泡打了。
Is the key-in lamp bulb open or socket damaged?
钥匙灯泡或插座坏了吗？
The light bulb in the bathroom burned out.
浴室里的灯泡烧坏了。
The bulb of the eye is important for us.
眼球对于我们来说是非常重要。
Please take the bulb off.
请把灯泡取下来。
The dim bulb of the bedside lamp cast a soft radiance over his face.
床头灯朦胧的光柔和地投射在他脸上。
The bulb of Amaryllis vittata was used explant to establish the technique system of tissue culture.
本研究以鳞茎盘为外植体建立了朱顶红组织培养的技术体系。
The floor lamp in my room is out. Please change the bulb.
我房间的落地台灯坏了，请换灯泡。
That electric bulb is very bright.
那个灯泡很亮。
We accredit the invention of the electric light bulb to edison.
我们把电灯的发明归功于爱迪生。