bulb

英 [bʌlb] 美 [bʌlb]

• n. 球茎；电灯泡；球状物

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

详尽释义

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

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

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。

常见句型

用作名词 (n.)

1. We'll have to change the bulb again.
   我们又得换个灯泡了。
2. The bulb of the eye is important for us.
   眼球对于我们来说是非常重要。

词汇搭配

用作名词 (n.)

动词+～

• break a bulb 打碎灯泡
• buy a bulb 买灯泡
• change a bulb 换灯泡
• make a bulb 生产灯泡

形容词+～

• clear bulb 透明的灯泡
• faulty bulb 有毛病的灯泡
• flash bulb 闪光灯泡
• light bulb 灯泡
• neon bulb 霓虹灯
• tulip bulb 郁金香球茎

介词+～

• glare of a bulb 耀眼的灯光

～+介词

• bulb of electric lamp 电灯泡
• bulb of the eye 眼球

词语用法

n. (名词)

1. 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”。

词源解说

• ☆ 直接源自拉丁语的bulbous，意为洋葱，洋葱头。

近反义词

【近义词】

• corm 球茎
• rhizome [植]根茎
• tuber 块茎
• storage organ 贮藏瀑
• underground part 地下部,地下部分...
• seed 种子
• lamp 灯
• incandescent lamp 白炽灯,白热灯...
• lightbulb 电灯泡
• light bulb 电灯泡
• medulla oblongata 延髓
• medulla 髓质
• electric light 电灯