| 单词 | fluorescent lamp |
| 释义 | Word Frequency fluorescent lampnoun 1. a type of lamp in which an electrical gas discharge is maintained in a tube with a thin layer of phosphor on its inside surface. The gas, which is often mercury vapour, emits ultraviolet radiation causing the phosphor to fluoresce 2. a type of lamp in which an electrical discharge is maintained in a tube containinga gas such as neon, mercury vapour, or sodium vapour at low pressure. Gas atoms in the discharge are struck by electrons and fluoresce |
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