在任何一个家庭，换灯泡的作用或许微不足道，但它节省开支，而且为减少排放作出了唾手可得的小小贡献。
The impact of changing the light bulbs in any given household may be puny, but it saves money and it makes an easy, if small contribution to cutting emissions.
这种低能耗的灯泡散发出一束温暖明亮的光线，使得与之相伴的花儿能正常的进行光合作用，这样小灯与它的寄居植物就形成了一种直接有效的关系。
The low-energy bulbs emit a warm luminous glow that supports the photosynthesis process of the accompanying plant, creating a direct relationship between the lamp and host plant.
换句话说，良知的作用类似于天窗，而不是灯泡。
In other words, the conscience functions like a skylight, not a light bulb.
电灯泡外壳用玻璃制成，把灯丝保持在真空，或低压的惰性气体之下，作用是防止灯丝在高温之下氧化。
Glass shell made of a light bulb to keep the filament in a vacuum, or inert gas under low pressure, role is to prevent oxidation of the filament at high temperature under.
电灯泡外壳用玻璃制成，把灯丝保持在真空，或低压的惰性气体之下，作用是防止灯丝在高温之下氧化。
Glass shell made of a light bulb to keep the filament in a vacuum, or inert gas under low pressure, role is to prevent oxidation of the filament at high temperature under.
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