bulb

美 [bʌlb]英 [bʌlb]
  • n.电灯泡;(植物)鳞茎;鳞茎状物(如温度计的球部)
  • v.生球茎;肿[涨]成球
  • 网络球状物;球根;植物的球茎

复数:bulbs

bulbbulb

bulb

n.

1.电灯泡the glass part that fits into an electric lamp, etc. to give light when it is switched on

2
The payback on investing in a compact fluorescent bulb, therefore, is less than a year.

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