本周英語聽力短篇，來聊聊 LED燈。托福口說題目可以參考類似主題

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本周的英語聽力短篇，學習關於LED燈的相關訊息。本周先上傳上集，下周分享下集喔！托福口說如果下次再考人類最偉大的發明之一，你可以說是LED燈啦。英語短篇每周上傳，就是為了提供多元化主題讓大家練習。無論托福口說、聽力筆記還是單純的練習聽力，充實英文可用的背景知識與字彙，這些小小單元都能助各位一臂之力喔。


From 蘋果日報雙語天下

LED Lighting

照亮未來世界的一盞明燈

The electric light bulb has influenced the world greatly. Today, they are everywhere. Light bulbs have changed the way we work and play. Where did this amazing invention come from? Most of us were taught that American Thomas Edison invented the light bulb in 1879. This is not true because electric light had been around since the early 1800s. Edison just made it better and created bulbs that would glow for over 1,500 hours. These incandescent light bulbs produce light when the thin wires inside are heated to high temperatures. Over the years, incandescent bulbs have been replaced by other types of electric lights. The most common are fluorescent lights. They create a cool, blue light and are more energy efficient. However, the world is now turning to LEDs.

電燈泡已大大影響了這個世界。如今電燈泡隨處可見。燈泡已改變了我們工作和玩樂的方式。但這項驚人的發明是打哪兒來的呢？我們多數人所受的教育告訴我們，美國的湯瑪斯．愛迪生在1879年發明了燈泡。不過這並不正確，因為電燈自十九世紀初期以來就已經存在了。愛迪生只是將它改良，創造出可以發光超過一千五百小時的燈泡。這種鎢絲燈泡裡的細金屬絲被加熱到高溫時，它們就可以產生光。多年來，鎢絲燈泡已被其他類型的電燈所取代。最常見的就是日光燈。它們散發的是溫度不高的藍光，而且更為節能。然而，目前世界的潮流正朝LED轉變。

生活必備字詞

influence (vt.) 影響
I don't want to influence how you do things because my way is not always the best.
glow (vi.) 發光
wire (n.) 金屬線
heat (vt.) 加熱，使變熱
Stacy heated the leftovers in the microwave before she sat down to eat.
replace (vt.) 取代，替代
Nowadays, bar codes have replaced traditional price tags on most items.