light transmitter

例句：

1. 1. The new lighttransmitter has greatly improved the efficiency ofour lighting system.
   新型光发射器大大提高了我们照明系统的效率。
2. 2. The engineerused a light transmitterto illuminate the dark room.
   工程师使用了一个光发射器来照亮黑暗的房间。
3. 3. The light transmitter was responsible fortransmitting the signals from the satellite tothe ground station.
   光发射器负责将卫星的信号传输到地面站。