electric lamp的用法和樣例：
例句
- Edison invented the electric bulb.
愛(ài)迪生發(fā)明了電燈泡。 - The intensity of a source of light, such as an electric light bulb, can be measured with a photometer.
光源的強度，如一個(gè)電燈泡，可以通過(guò)光度測量器測出。 - Electric lights have replaced candles.
電燈已經(jīng)取代了蠟燭。 - An electric lamp is brighter than a candle.
電燈比蠟燭明亮。
