| 单词 | mercury-vapour lamp |
| 释义 | mercury-vapour lampnouna lamp in which an electric discharge through a low pressure of mercury vapour is used to produce a greenish-blue light. It is used for street lighting and is also a source of ultraviolet radiation Words nearby mercury-vapour lampmercury mass, mercury poisoning, Mercury program, mercury switch, mercury-vapor lamp, mercury-vapour lamp, mercy, mercy flight, mercy killing, mercy seat, mercy stroke Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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