bulb

英 [bʌlb] 美 [bʌlb]

n.  电灯泡; (植物)鳞茎; 鳞茎状物(如温度计的球部)

复数:bulbs

CET4CET6考研TOEFLIELTSGRETEM4TEM8医学

Collins.2 / BNC.5690 / COCA.4901



牛津词典

noun

  1. 电灯泡
    the glass part that fits into an electric lamp, etc. to give light when it is switched on
    1. a 60-watt bulb
      60瓦的灯泡
    2. a room lit by bare bulbs (= with no decorative cover)
      只有光秃秃的电灯泡照明的屋子(无灯罩、灯饰)
  2. (植物)鳞茎
    the round underground part of some plants, shaped like an onion , that grows into a new plant every year
    1. 鳞茎状物(如温度计的球部)
      an object shaped like a bulb , for example the end of a thermometer

      柯林斯词典

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

      双语例句

      1. The stairwell was lit by a single bulb.
        楼梯间只有一盏灯照明。
      2. The naked bulb was directly over his head
        裸露的灯泡正好在他的头顶上方。
      3. An efficient bulb may lighten the load of power stations
        一个节能灯泡也许就能减轻发电站的负荷。
      4. This makes the total cost of the bulb and energy £ 27
        这使灯泡与电费合计为27英镑。
      5. A 40 watt bulb would be quite sufficient and would not obtrude
        40瓦的灯泡完全够亮了,并且不会晃眼。
      6. 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。
      7. That electric bulb is very bright.
        那个灯泡很亮。
      8. 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。
      9. We accredit the invention of the electric light bulb to edison.
        我们把电灯的发明归功于爱迪生。
      10. This type of bulb consumes little power.
        这种灯泡耗电不多。
      11. I almost dropped the bulb.
        我差点儿失手把灯泡打了。
      12. Please take the bulb off.
        请把灯泡取下来。
      13. We'll have to change the bulb again.
        我们又得换个灯泡了。
      14. The bulb of the eye is important for us.
        眼球对于我们来说是非常重要。
      15. It is after having failed a lot that he had the invention of tungsten filament bulb.
        在经历了很多的失败之后,他才发明了钨丝灯泡。
      16. Edison invented the bulb.
        爱迪生发明了灯炮。
      17. I have to put a new light bulb in.
        我得放个新的灯泡进去。
      18. We changed the bulb and checked the fuse.
        我们换了灯泡,并检查了保险丝。
      19. The bulb socket and bulb comprise one spare part.
        灯泡插座和灯泡构成一个备件。
      20. Is the key-in lamp bulb open or socket damaged?
        钥匙灯泡或插座坏了吗?
      21. Gilbert discovered electricity, but Edison invented the light bulb.
        吉伯特发现了电,而爱迪生发明了灯泡。
      22. I told him I was a light bulb.
        我告诉他我是个电灯泡。
      23. The floor lamp in my room is out. Please change the bulb.
        我房间的落地台灯坏了,请换灯泡。
      24. The bulb of Amaryllis vittata was used explant to establish the technique system of tissue culture.
        本研究以鳞茎盘为外植体建立了朱顶红组织培养的技术体系。
      25. Risk of damage to bulbs and bulb housing.
        有损坏灯泡和灯泡壳的危险。
      26. Yesterday, I had to change a headlamp bulb on my car.
        昨天,我不得不更换了我的车灯灯泡。
      27. The light bulb in the bathroom burned out.
        浴室里的灯泡烧坏了。
      28. It has a white bulb and a white lampshade.
        它有一个白色的灯泡和一个白色的灯罩。
      29. And you are having problems with the bulb.
        你的脑袋一定是出问题了。

      英英释义

      noun

      1. a rounded part of a cylindrical instrument (usually at one end)
        1. 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

          Synonym:    light bulblightbulbincandescent lampelectric lightelectric-light bulb

        1. a rounded dilation or expansion in a canal or vessel or organ

          1. lower or hindmost part of the brain
            1. the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning

            Synonym:    medulla oblongatamedulla

          2. a modified bud consisting of a thickened globular underground stem serving as a reproductive structure

            1. anything with a round shape resembling a teardrop