sodium-vapour lamp

英 美
  • 钠光灯,钠气灯
  • lamp n.灯;台灯;油灯;光源
  • sodium n.钠
  • vapour n.蒸气;水蒸气;雾气v.蒸发;吹嘘=vapor(英).
Noun:
  1. lamp in which an electric current passed through a tube of sodium vapor makes a yellow light; used is street lighting

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