bulb是什么意思

bulb

美[bʌlb]  英[bʌlb]
n.  球茎；电灯泡；球状物
  近义词：corm，rhizome，tuber，storageorgan，undergroundpart，seed，lamp，incandescentlamp，lightbulb，lightbulb，medullaoblongata，medulla，electriclight，

详细释义

n.(名词)
  1. 【植】球根，鳞茎，球茎；鳞茎植物
  2. 球状物，鳞茎状物（如温度计的球部）
  3. 电灯泡，灯泡
  4. 电子管；真空管
  5. 水银球
  6. 烧瓶
  7. 测温包
  8. 【解】球，扁桃腺
  9. 快门
  10. 圆顶车壳
  11. 【海】球形船首
v.(动词)
  1. 生球茎
  2. 膨胀成球状，肿成球，形成球状
  3. 起皱

双解释义

n.(名词)
  1. [C]球茎 a round root of certain plants
  2. [C]电灯泡 pear-shaped glass container for the filament of an electric light

英英释义

Noun
  1. a modified bud consisting of a thickened globular underground stem serving as a reproductive structure
  2. electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
  3. a rounded part of a cylindrical instrument (usually at one end);

    "the bulb of a syringe"

  4. anything with a round shape resembling a teardrop
  5. lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata);

    "the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning"

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

组词搭配

动词+～
  1. break a bulb打碎灯泡
  2. buy a bulb买灯泡
  3. change a bulb换灯泡
  4. make a bulb生产灯泡
形容词+～
  1. clear bulb透明的灯泡
  2. faulty bulb有毛病的灯泡
  3. flash bulb闪光灯泡
  4. light bulb灯泡
  5. neon bulb霓虹灯
  6. tulip bulb郁金香球茎
介词+～
  1. glare of a bulb耀眼的灯光
～+介词
  1. bulb of electric lamp电灯泡
  2. bulb of the eye眼球

例句

用作名词(n.)
  1. Onions and lilies grow from bulbs.洋葱和百合是从球茎中长出的。
  2. This light bulb has gone.这灯泡不亮了。
  3. The light bulb imploded.这灯泡是向内侧爆裂的。
  4. I can see clearly that the filament in the bulb is broken.我可以很清楚地看到灯泡里的细丝断了。

词语用法

n.(名词)
    bulb的基本意思是“球状物,球茎”,如百合、洋葱、郁金香等植物的地下茎。引申可指“球状物,电灯泡”。
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