bulb 详细解释

bulb

[bʌlb]

n.球茎, 电灯泡, 球状物

n.[C]

1. 【植】球茎, 鳞茎; 鳞茎植物

2. 球状物; 温度计的球部

3. 电灯泡

The bulb has burned out.

灯泡烧坏了。

4. 电子管

vi.

1. 生球茎

2. 膨胀成球状

词形变化

名词复数:bulbs

过去式:bulbed

过去分词:bulbed

现在进行时:bulbing

词义辨析

同义参见:

lamp  seed  

英英释义

名词 bulb:

a modified bud consisting of a thickened globular underground stem serving as a reproductive structure

electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity

同义词:light bulb, lightbulb, incandescent lamp, electric light, electric-light bulb

a rounded part of a cylindrical instrument (usually at one end)

lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata)

同义词:medulla oblongata, medulla

a rounded dilation or expansion in a canal or vessel or organ

补充

bulbbulb英:[bʌlb] 美:[bʌlb]n.1.球茎The bulb of the eye is important for us.眼球对于我们来说非常重要。2.电灯泡We'll have to change the bulb again.我们又得换个灯泡了。

例句

1. tulip bulbs郁金香鳞茎 2. The stairwell was lit by a single bulb.楼梯井里亮着一只灯泡。 3. a 60-watt bulb一只60瓦的灯泡 4. The bulb's gone (= it no longer works) in this lamp.这灯的灯泡坏了。 5. a tulip bulb郁金香的鳞茎 6. a 100-watt bulb*100瓦的灯泡 7. fluorescent bulbs荧光灯管 8. tulip bulbs郁金香球根 9. the bulb of the thermometer/eyedropper温度计的玻璃泡;眼药水滴管的球形管头