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

更多例句：  上一页    下一页

1. The temperature of the wick and the bulb falls below that of the air .
   纱布与感温球的温度下降而低于空气的温度。
2. The light bulb in the bathroom burned out and father put in a new one .
   洗澡间里的灯泡烧坏了，父亲装上一只新的。
3. A bulb syringe is often used for oral and nasal suction on infants and children .
   常常使用球吸引器抽吸婴幼儿的口鼻。
4. Ahead, the few dim light bulbs seemed to stretch into limitless distance .
   前面，几只昏暗的灯泡好像伸入了无限的远方。
5. This light can be used to illuminate a glass bulb containing sodium vapour .
   可以用这种光来照射一个含有钠蒸气的玻璃泡。

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.