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bulb中文什么意思

[ bʌlb ]发音:   用"bulb"造句
  • n.
    1.【植物;植物学】球根;鳞茎。
    2.球状物;(寒暑表的)水银球;灯泡;烧瓶;真空管;测温包。
    3.【解剖学】球;〔pl.〕扁桃腺。
    +更多解释...
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例句与用法

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  1. The bulbs should be enclosed in safety shields .
    灯泡应装在安全罩内。
  2. A bright electric bulb glowed above our heads .
    通亮的灯泡在我们头上闪闪发光。
  3. The new plant forms new bulbs in vegetative reproduction .
    增殖性繁殖新株长成新鳞茎。
  4. V is the volume of the bulb .
    V代表球泡的体积。
  5. The top of the bulb cd must be at a lower level than mark b .
    球管CD的顶应低于标记B的水平面。

英文释义

名词
  1. a rounded part of a cylindrical instrument (usually at one end); "the bulb of a syringe"
  2. 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
  3. a rounded dilation or expansion in a canal or vessel or organ
  4. 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"
    同义词:medulla oblongata, medulla
  5. a modified bud consisting of a thickened globular underground stem serving as a reproductive structure
  6. anything with a round shape resembling a teardrop

百科释义

    A bulb is a short stem with fleshy leaves or leaf bases.Bell, A.
    详细百科解释

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