overhead projector
原始詞典資料1 筆記錄
這個字我們還沒有寫成教學內容。以下是外部詞典記錄的用法，原文照列，方便你先看懂它的意思。
overhead projectornoun
- 1
A projector that projects an image over the heads of the viewers onto a screen in front of them.
- The reality is that the typical classroom teacher still uses a blackboard and chalk. Indeed, despite the excitement over high-tech devices, most classroom equipment is decidedly low-tech: small-screen television sets, mimeograph machines, monaural phonograph record players, overhead projectors with grease pencils, 16-millimeter projectors, reel-to-reel tape players, filmstrip projectors.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。