| 单词 |
filamentless |
| 释义 |
ˈfilamentless, a. Without a filament.
1934Amer. Year Bk. 1933 697/2 The demonstration of ‘filamentless’ tubes, not commercially available as yet. 1935Economist 29 June 1509/2 That way of street lighting was due to the filamentless lamp which they called ‘Osira’. |

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