floodlight; jacklight; spotlight

1. 在小照明燈中，所有的空氣都從燈泡中抽出，形成真空，以防熾熱的燈絲被燒毀。
   In small lamps, all the air is pumped from the glass bulb, forming a vacuum, which prevents the white-hot filament from burning away.
2. 觀眾席照明燈照亮音樂廳、戲院或報告廳的觀眾席的燈
   The lights that illuminate the audience section of a concert hall, a theater, or an auditorium.

照的英語翻譯：

明燈的英語翻譯：