bulb中文什么意思

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...4.(照相机的)快门。
5.(汽车的)圆顶车壳；【航海】球形船首。
短语和例子
a lily bulb 百合根。 an electric bulb 电灯泡。 the bulb of a hair 毛球，发根。 the bulb of the eye 眼球。 the bulb of the spinal cord 【解剖学】延髓。vi.
1.生球茎。
2.肿[涨]成球，形成球状。adj.
-ed
1.有鳞[球]茎的。
2.鳞[球]茎形，圆形的。

• t bulb:    球缘t型材
• t-bulb:    球缘t字钢
• opal bulb, opaque bulb:    乳白灯泡

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.