bulb是什么意思？

bulb

英[bʌlb] 美[bʌlb]

• n. 球茎，块茎植物，电灯泡，[解剖学]肿块；

复数：bulbs;

例句

• There was a startled look on his face when the flash bulb went off. 闪光灯灭时，他脸上一副惊愕的表情。
• We'll have to change the bulb again. 我们又得换个灯泡了。
• The bulb of the eye is important for us. 眼球对于我们来说非常重要。
• The dim bulb of the bedside lamp cast a soft radiance over his face. 床头灯朦胧的光柔和地投射在他脸上。
• Edison invented the light bulb. 爱迪生发明了电灯炮.
• An incandescent bulb and fiber were used to collimate light into this speedometer indicator. 白炽灯泡和光纤利用使光平行打入到里程计指标.
• Electric bulb and socket, with a pair of prods for testing for element shorts and defects. 电灯,插座和一对探针,以供试验电池的短路和检查故障用.
• It may merely demonstrate scarring of the duodenal bulb caused by previous ulceration. 这仅显示原有溃疡引起的十二指肠球部瘢痕.
• It's a bulb pressure tester for detecting battery leaks. 这是检测电瓶漏气用的胶球压力试验器.
• Determine designing conditions such as condensing temperature and wet - bulb temperature. 确定设计条件,如冷凝温度和湿球温度.

英语六级真题

Oh, yes, go down this aisle, pass the garden tools, you'll find them on the shelf next to the light bulbs.
出自-2010年6月听力原文

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  电灯泡
  A bulb is the glass part of an electric lamp, which gives out light when electricity passes through it.
  例句
  The stairwell was lit by a single bulb. 楼梯间只有一盏灯照明。
• N-COUNT
  球茎；鳞茎
  A bulb is a root shaped like an onion that grows into a flower or plant.
  例句
  ...tulip bulbs. 郁金香球茎

英汉词典释义

• n.
  球茎
  The bulb of the eye is important for us. 眼球对于我们来说非常重要。
  电灯泡
  We'll have to change the bulb again. 我们又得换个灯泡了。

英英词典释义

• Noun
  1. a modified bud consisting of a thickened globular underground stem serving as a reproductive structure
  2. electric lamp consisting of a glass bulb containing a wire filament (usually tungsten) that emits light when heated
  3. a rounded part of a cylindrical instrument (usually at one end);
  "the bulb of a syringe"
  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"
  5. a rounded dilation or expansion in a canal or vessel or organ

行业词典

• 动物学： 原鳞柄；
  医学： 球：球状物体或膨大；(obs.)延髓：同medulla oblongata；
  植物学： 鳞茎；