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.
整个欧洲将要一片黑暗，我们在有生之年，再也看不到那些明灯重新燃起来了。 The lamps are going out all over Europe; we shall not see them lit again in our lifetime.
