| 释义 |
灯丝 dēng sī ★☆☆☆☆n.名词⁰·⁰⁰⁰⁸ᴾᵃ¹¹⁹⁹²
基本例句
filamentglowerfilament-type cathodeelectron-tube heaterlamp filamentdirectly heated cathodefilamentary cathode繁体燈絲爱迪生不相信碳可作灯丝用，所以一开始就用铂合金作灯丝。Originally Edison used platinum alloys for the filament, in the belief that carbon was impracticable.
在小照明灯中，所有的空气都从灯泡中抽出，形成真空，以防炽热的灯丝被烧毁。In small lamps, all the air is pumped from the glass bulb, forming a vacuum, which prevents the white-hot filament from burning away. |