bulb 英 [bʌlb]   美 [bʌlb]

bulb

bulb  英 [bʌlb] 美 [bʌlb]

n. 电灯泡;球状物 

名词复数:bulbs 

a 60-watt bulb *60 瓦的灯泡
a room lit by bare bulbs 只有光秃秃的电灯泡照明的屋子(无灯罩、灯饰)

  • A bulb is the roundish, tear-shaped part of some plants. If you plant a bulb, a flower will pop up. Bulb is also short for light bulb. Don’t try planting that kind, though, because lamps don't grow on trees.
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  • n. 电灯泡;球状物
  • 1. a 60-watt bulb

    *60 瓦的灯泡

  • 2. a room lit by bare bulbs

    只有光秃秃的电灯泡照明的屋子(无灯罩、灯饰)

  • bulb (n.) 1560s, "an onion," from Middle French bulbe (15c.), from Latin bulbus "bulb, bulbous root, onion," from Greek bolbos "plant with round swelling on underground stem." Extended 1660s to "spherical underground part of an onion, lily, etc." Expanded by 1800 to "swelling in a glass tube" (thermometer bulb, light bulb, etc.).
bulb / bʌlb ; NAmE bʌlb / noun 1 ( also ˈlight bulb ) the glass part that fits into an electric lamp, etc. to give light when it is switched on 电灯泡 a 60-watt bulb *60 瓦的灯泡 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 the round underground part of some plants, shaped like an onion, that grows into a new plant every year (植物)鳞茎 3 an object shaped like a bulb,for example the end of a thermometer 鳞茎状物(如温度计的球部) bulb bulbs bulb / bʌlb ; NAmE bʌlb /
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