If you suspect a gas leak, do not strike a match or even turn on an electric light.
假如你怀疑有煤气泄漏,不要划火柴,甚至连电灯都不要开。
With his team of workers, he invented an electric light bulb, the phonograph.
他作出了六千项发明,包括电灯泡,留声机和油印机。
An electric light passes electricity through material called a filament or wire.
电灯中用来传送电流的材料叫灯丝或金属丝。
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