We should use efficient light bulbs which use about one-third of the energy of normal bulbs and last 10 times as long求翻译
问题描述：
We should use efficient light bulbs which use about one-third of the energy of normal bulbs and last 10 times as long求翻译
答
我们应该使用节能灯泡,这种灯泡只有普通灯泡耗能的三分之一,而且是普通灯泡使用寿命的十倍
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